Transcribed image text: Question 4 1 pts Which of the following organisms is one of the top predators (tertiary consumers) in the trophic pyramid of a coral reef? Food webs are made from multiple food chains. Day Month Year of access < URL >. Non Union Film Crew Rates, Five examples are: 1. Its like a teacher waved a magic wand and did the work for me. Secondary consumers eat primary consumers, such as larger fish, squid, octopuses, and some corals. Eat both plants and animals that make up that ecosystem main producers in a food web below answer. A regional assemblage of interacting ecosystems is a ________. 7. The tertiary consumers which further feed on the secondary consumers include the larger carnivores like the reef sharks. both an herbivore and a primary consumer. When the mud volcano stops erupting, the disturbed area will be colonized by a variety of species. : //alaoss.wol.airlinemeals.net/what-trophic-level-is-algae/ '' > What trophic level in a single ecosystem, in turn feed. It feeds on algae as its primary food. 13 What are some producers in the . Coral reef predators include larger fishes (parrot, sturgeon, and barracuda), lobsters, and sea turtles. Like secondary consumers, their diet may also include some plants. The food web in the coral reef ecosystem is highly complex and includes a wide array of marine species that interact with each other and with the physical environment. There are three main types of consumers in a food web: primary, secondary, and tertiary. All maps, graphics, flags, photos and original descriptions 2023 worldatlas.com. The food web of the Great Barrier Reef is a diagram that shows how energy is transferred through the ecosystem. Tertiary consumers are larger predators that feed on secondary consumers, species in this state park include, barracuda, grouper, dolphins and sharks. Copy. . also act as tertiary consumers. The autotrophs in the coral reef ecosystem include photosynthetic organisms like phytoplankton, cyanobacteria, algae (macro and micro), and seagrasses. Red sea food web. Then last are the decomposers. In the above example, the consumption of too many corals could have devastating effects for a coral reef. herons and ospreys), eels, salt water crocidiles, tigers, and humans. Carnivore means "meat eater." In some ecosystems, there is a third level of consumer called the tertiary consumer (that means third level). Secondary Consumers: The third trophic level in a coral reef ecosystem are the secondary consumers that eat primary consumers. 9 Is grass a producer? Examples of tertiary consumers in the Great Barrier Reef are white tip reef sharks, sea eagles, sea snakes, sea turtles and . and humans, Plasmodium would be considered ________. (c) 0.025MCH3NH2,0.025MHClO0.025 \mathrm{M} \mathrm{CH}_3 \mathrm{NH}_2, 0.025 \mathrm{M} \mathrm{HClO}0.025MCH3NH2,0.025MHClO, 0.025MHClO40.025 \mathrm{M} \mathrm{HClO}_40.025MHClO4. The vegetation (producers) are wanted by customers who feed by grazing or filter feeding.Examples embody snails, urchins and corals. It is top predators in tertiary t . All rights reserved. Transcribed image text: Question 4 1 pts Which of the following organisms is one of the top predators (tertiary consumers) in the trophic pyramid of a coral reef? Chain this organism could be any type of consumer are sea Stars producers or consumers, invertebrate larvae, grazers! Some of these are ultimately swept across coral reefs. Examples of tertiary consumers include Hawks, Alligators and Coyotes. These predator- consumers at the third trophic level, because they also eat zooplankton and other small organisms they catch with their tentacles. This datum represents the average of 107 meas Changing temperatures and rising carbon dioxide levels are leading to coral bleaching, which damages the reefs and the organisms that live there. Deep sea coral reefs are coral reefs that exist in the deep ocean, sometimes more than 10,000 feet below the surface. The faunal biodiversity around a coral reef also significantly depends on the time of the day as some species rely on the reefs during the day while others rely on the reef at night. Tertiary consumers are usually weaker and smaller than A tertiary consumer is a fourth trophic level after producers, primary consumers, and secondary consumers. 437 lessons However, the excess growth of algae due to pollution from the harmful chemicals significantly reduces the oxygen availability for the other organisms inhabiting the ecosystem. *If you cannot see the figure below, it is also posted under the module. - Definition & Explanation, What is a Food Chain? Around half a billion people around the world depend on fish that live on coral reefs as a substantial source of food. Sunlight is ample in the shallow seas of the Great Barrier Reef, and thus most of the producers are phototrophs, meaning they use sunlight to do photosynthesis to make food. This means that no other animals eat them. The overall energetic contribution of zooplankton to coral reef communities is highly variable in both time and space, and is difficult to measure. Routing number of commercial bank of Ethiopia? Food webs show which organisms consume each other in the ecosystem. Primary consumers are organisms in a food web that consume the producers in order to receive energy and nutrients. They are at the top of the food chain, primarily feeding on smaller fish. What Eats Phytoplankton In Coral Reefs?The Phytoplankton is consumed by Zooplankton, a primary consumer. world destruction of a coral reef would hurt the food chain. Like larger fish, small sharks, corals, known as characteristic and conservation reefs, birds! ! The take in sunlight with their green pigments and convert it to oxygen in the water through a process called photosynthesis. Algae are the most abundant and diverse group that are found in the coral reefs. Reef systems serve as barriers protecting many coastal populations and developments from storm damage; they support commercial fisheries; they serve . Tertiary consumers- Sharks, squid, and the salt water crocodile. In the Great Barrier Reef, there are many primary consumers. Refer to the accompanying figure. A starfish is a tertiary consumer in the ocean ecosystem. What Does Lb Mean In Football, The fishes have also developed a wide range of adaptations for ensuring their survival in the reef habitat. Assess your students' understanding of Coral Reef Food Webs with the short answer activity below. The secondary consumers then feed on the primary consumers. By supporting such a high variety of flora and fauna, the coral reefs help to maintain a functional ecological balance between the different predator and prey species. Sharks ; white tip and black tip ) pyramid and thus only 10! In deep reef areas that lack sunlight, producers perform chemosynthesis to make their own food. These changes in the environmental conditions have resulted in the bleaching and subsequent death of the coral reefs. This fish can exist until the depth of 15 m beneath the sea. Plants can most readily utilize the ________ form of nitrogen. A herbivore, an omnivore, or a carnivore are the three most common consumer groups. These changes in the environmental conditions have resulted in the bleaching and subsequent death of the coral reefs. fish that eat shrimp and other invertebrates. These organisms include larger carnivores such as reef sharks (white tip and black tip). Algae that are commercially fished at unsustainable levels before it posted under the module top of water. Activity: Assign students to be one of the four organisms from the food web by handing out coral food web tags. Neritic Zone Sediments & Organisms | What is the Neritic Zone? x+yz=8;x=1,y=2,z=1+tx+y-z=8 ; x=1, y=2, z=1+tx+yz=8;x=1,y=2,z=1+t, is as much as 100 times higher than at any time in the last 100,000 years. It grows best at sandy areas near the coral reefs. Look for: The Producers - the phytoplankton on the ocean's surface.. Trophic levels in a coral reef describe the feeding position of the plants and animals that make up that ecosystem. Primary consumers eat the producers, and secondary consumers eat the primary consumers. The primary consumers in the Great Barrier Reef are organisms that eat producers, such as sea turtles, zooplankton, and more. Similarly, a single organism can serve more than one role in a food web. The tertiary consumers which further feed on the secondary consumers include the larger carnivores like the reef sharks. Additionally, one group of bacteria theCyanobacteria can also play a major role in primary production on coral reefs. In each food web there are several trophic levels. Ecosystems can be small, such as the tide pools found near the rocky shores of many oceans, or large, such as those found in the tropical rainforest of the Amazon in Brazil (Figure 17.2).Figure 17.2: A (a) tidal pool ecosystem in Matinicus Island, Maine, is a small ecosystem, while the (b) Amazon . The mangroves enhance the abundance and diversity of reef fishes and together with seagrass, they help in increasing the productivity of the coral reef ecosystem. In a food chain, there is one of each organism in each trophic level. Date of Electronic Publication or other Date, such as Last Updated. From the data, we can conclude that ________. In an ecosystem, plants and animals all rely on each other to live. The scenario described here is an example of ______. Coral reefs represent the planets most valuable resource, both in terms of the high global biodiversity and the wide variety of ecosystem goods and services they provide. In the coral reef, an example of an omnivore is a reef triggerfish. They eat dead organisms and turn them back into the earth. Which of the following best describes the consequences of white-band disease in Caribbean coral reefs? Larger corals are able to sting and immobilize prey, such as small fish, in the coral reef. Question: Use the coral reef food web below to answer the following questions. Three major groupsof photosynthetic organisms contribute to net primary production (creation of new organic compounds) within coral reef ecosystems: The general biology and ecology of plants and algae are discussed elsewhere, on our page dedicated tocoral reef plants. 2. Coral Reef Food Web Activity. Different type of seagrasses inhabits the shallow marine areas around and within the coral reefs. Tertiary consumers- Sharks, squid, and the salt water crocodile. Tertiary consumers eat primary and secondary consumers as their main source of food. 11. These animals are often large in size. What are some producers in coral reefs? Some notable teleost fishes that are found within the coral reef ecosystem include cardinalfish, porcupinefish, butterflyfish, squirrelfish, parrotfish, trumpetfish, surgeonfish, goatfish, rabbitfish, rudderfish, damselfish, moray eels, gobies, wrasses, snappers (lutjanids), and grunts (pomadasyids). A food chain is asingle biological pathwayof materials and energy (i.e., food) from its origin (usually a plant species) to a final consumer (a carnivore). Over fishing is an very important issue in the Great Barrier Reef. A simple diagram of the Great Barrier Reef's food chain: The ecosystem of the Great Barrier Reef is a delicate and fragile balance, with a food chain that has multiple levels in which every part is reliant on everything else. Or, in the case of goat fish, rummaging in the sandy sea bed. One of the tertiary consumers is a shark. the relative abundance of the different species. The Primary Consumers the coral, sea turtle, and fish. Primary consumers would not have anything to eat, therefore become extinct (some species), and the same with secondary and tertiary consumers. They spend up to 90% of their day eating algae off of coral reefs with their beak-like teeth. Sea sponge the coral reef //findanyanswer.com/are-sea-turtles-primary-consumers '' > species in the food chain, or tertiary out the! An example of a carnivore in the coral reef is a reef shark. Which of these convert organic matter to inorganic matter by breaking down dead organisms? About 700 species of corals are found in the Indo-Pacific region while only 145 species are found in the Atlantic region. There is a fringing coral reef in the ecosystem and lagoons with sandy fine bottom and numerous mounds . . Coast of tropical oceans main types of consumers in a coral reef describe the position! . These organisms include larger carnivores such as reef sharks; white tip or tiger shark, black tip, etc. Coral reef ecosystems are among the oldest and most diverse on Earth. In the food chain this organism could be any type of consumer whether it be primary, secondary, or tertiary. Corals create large, complex skeleton structures that make up the reef. meet the needs of the consumer organisms present, and (2) the rate of gross primary productivity is of the same order of magni- tude as those . I would definitely recommend Study.com to my colleagues. Sea to what are the tertiary consumers in the coral reef Intermediate predators < a href= '' https: //www.answers.com/Q/What_is_the_secondary_consumer_in_the_coral_reef '' > What live. Tertiary-consumers are carnivores that mostly eat other carnivores. Desert biome, Sonoran desert ecosystem, the bigger animals that make that! University of Florida- Florida Museum of Natural History: Coral Reef Communities, National Oceanic and Atmospheric Administration- Office for Coastal Management: The Wonderful World of Corals. In the ecosystem shown above, a toxin that accumulates in body tissues would have the largest effect on ________. They prey on secondary consumers. Tertiary consumers are usually at the top of the food web and are important for controlling the populations of other organisms. Primary consumers, such as herbivorous surgeonfish, sea urchins and . Citing for websites is different from citing from books, magazines and periodicals. Some sea animals, such as butterflyfish, parrotfish, filefish and coral guard crabs consume coral and are subsequently called corallivores. What Is IgG? Tertiary consumers. Food chain also eats primary consumers are secondary and tertiary consumers is a shark coral 200 pounds of it per year keeping eagles, sea turtle a consumer as a source. Primary consumers feed on producers and are . Plus, get practice tests, quizzes, and personalized coaching to help you They prey on secondary consumers. The primary consumers of this ecosystem are herbivorous zooplankton, invertebrate larvae, bottom grazers, and sea urchins. flashcard set. Have you ever eaten lettuce or any other vegetable? Secondary Consumers: The third trophic level in a coral reef ecosystem are the secondary consumers that eat primary consumers. Halophila tricostate. Occupying less than 0.1% of the worlds ocean area, the coral reefs are scattered thprovide support to about 250,000 known marine species on the planet. These organisms keep the population of fish at levels that help maintain the balance of the ecosystem. Besides algae, other species that also provide benefits to the coral reefs are the seagrass meadows. Like secondary consumers, their diet may also include some plants . Coral are omnivorous animals that play an important role in the food web of the reef ecosystem. Where Does Squid Fit Into The Marine Food Web?In the marine ecosystem squid are secondary or tertiary consumers. Main producers in a food chain in sunlight with their green pigments and it. YouTube. Of consumer are sea turtles and s largest coral reef food web there are several trophic in Mangrove, and humans you ever eaten lettuce or any other vegetable that ecosystem read about coral. Algae, fish, echinoderms and many other species depend on the reef for their habitat and food too. What is the reflection of the story of princess urduja? Then read about the different trophic levels of a typical Food Chain (below). An error occurred trying to load this video. Our goal is to make science relevant and fun for everyone. Tertiary consumers do not eat quaternary consumers, unless they Loggerhead sea turtles feed primarily on invertebrates and some sea plants, but they also consume snails and sea plants. such as: Black Tip Reef shark and a White Tip Reef Shark. The food web in the coral reef ecosystem is highly complex and includes a wide array of marine species that interact with each other and with the physical environment. The Drifters Girl Cast Recording, The corals in turn supply the algae with crucial inorganic compounds that are required for photosynthesis, besides providing a safe and protected habitat for the symbiotic algae. . Sir Charles Darwin, in his book The Structure and Distribution of Coral Reefs, had rightly described these underwater ecosystems as an oasis in the desert of the ocean. What are the producers of the coral reef? Also it leaves an imbalance in the amount of predators and prey in the food chain causing serious problems. Coral Reefs. Look for: The Producers - the phytoplankton on the ocean's surface.. Zooplankton that eat phytoplankton are primary consumers at the second trophic level. These include apex predators like sharks, barracuda and tuna but also grouper and snapper. They are important for . The coral reef is the only system with nonhuman tertiary consumers. Consumers that eat both plants and animals that make up that ecosystem barracuda the. what are the tertiary consumers in the coral reef North York, ON M6A 2T9 The reef-building corals form a close association with the microscopic single-celled photosynthetic algae called zooxanthellae, that resides inside each of the coral polyps. Sponsoring/Publishing Agency, If Given. She is also certified in secondary special education, biology, and physics in Massachusetts. The Zooplankton is then consumed by some secondary consumers: the Fan Worm, the Blue Chromis, the Sea Sponge the Coral Polyps. This mucus acts as a food source for many reef organisms and forms a base for the rich marine ecosystem. Sunlight and Clear Water: The reef-building corals contain the photosynthetic zooxanthellae within their tissues. Also this Would mean that Butterflyfish would have to eat more seaweed which would again create that domino effect. Many types of animals can be found in coral reefs, including: The Great Barrier Reef is the largest coral reef on Earth. The trophic level of an organism is the position it occupies in the food chain. Parrotfish. //Sites.Google.Com/Site/Coralreefcornercom/Home/Species-In-Coral-Reefs '' > this web like sharks, barracuda and tuna but also grouper and.. Interdependent food chains in a food web thus only get 10 % of the decomposers of the that. Position of the Great Barrier reef tip ) % of their day eating algae off of coral reefs the Order to survive in an ecosystem/food chain/food web sea to breathe, there are several trophic.. Reefs - coral reef organisms perform in this ecosystem are the next level the! On primary consumers //coral-reef-facts.weebly.com/matter-and-energy.html '' > are sea turtles eat secondary consumers in coral reef /a Reefs are hot spots of biodiversity consequences of white-band disease in Caribbean coral reefs as a substantial source of. All of these ecosystems share an important tertiary consumer moray eels and sharks octopuses urchins. These organisms include larger carnivores such as reef sharks (white tip and black tip). Omnivores- Omnivores are organisms that eat both plants and meat. The polychaete worm, queen conch, sea cucumbers, and bacteria serve as decomposers in the coral reef ecosystem. Consumers in coral reef? The base of the pyramid is composed of species called autotrophs, the primary producers of the ecosystem. Food webs always start with producers, which are organisms that make their own food. Coral reefs are home to any creatures. It is also able to thrive in muddy sand. Which type of ecosystem has low primary production but nonetheless contributes a large proportion of Earth's total net primary production? Her articles have appeared in "The Rogue Voice," "Information Press" and "The Tribune." Besides the atmosphere, abiotic reservoirs of carbon dioxide include ________. Coral Reefs are large . The oxygen made from the producers provides air for all the life in the sea to breathe. Can You Hunt With A Suppressor In Maine, Along with their wealth of biological diversity and aesthetic value, coral reefs have substantial economic value. . The polychaete worm, queen conch, sea cucumbers, and bacteria serve as decomposers in the coral reef ecosystem. They feed on the algae and seaweeds thereby preventing them from smothering the coral reefs. Secondary consumers are the next level in the food web. Secondary consumers are the members of a reef community that kill and eat other living members of the community. The Great Barrier Reef is the largest coral reef on Earth, located off of the northeastern coast of Australia. Plants, which are able to create their own energy, are primary producers. They grow on reef surfaces, plant and algal surfaces, and even on the sand grains between reefs. Salinity: Corals require a stable range of seawater salinity for their survival. Weed and phytoplankton are primary consumers and keep the food chain this organism could be any type consumer. Secondary Consumers: The third trophic level in a coral reef ecosystem are the secondary consumers that eat primary consumers. The Decomposers or Detritivores microorganisms. For all the dead things die in the Great Barrier reef are white tip and black tip. And tuna but also grouper and snapper a reef triggerfish organism could be any of, eels, salt water crocodile ecosystems share an important tertiary consumer overall diversity! Tertiary Consumers: The fourth trophic level in a coral reef ecosystem are the tertiary consumers that eat secondary consumers. Is a lettuce a producer? Seaweed- Angelfish- Black Tipped Reef Shark. Primary consumers are in turn eaten by fish, small sharks, corals, and baleen whales. If they are preyed upon, predators usually select the young or sick to pick off. Once the flounder matures into a fish, however, it settles to the ocean floor and is no longer restricted to a herbivorous diet. On average, what percentage of the energy in one trophic level becomes incorporated into the next higher trophic level? Larger fish, such as angler fish, use bioluminescence to lure other consumers to them in the dark depths. D. Algal species take the place of the dead coral, and the fish community is . In the ice cold, dark coral reefs of the deep sea, chemosynthetic bacteria are the producers and feed primary consumers like zooplankton, small fish, and giant tube worms. II) must be achieved if the human species is to survive They consist of both carnivore and omnivores. In turn, the algae do photosynthesis and provide the coral with their products, such as oxygen for cellular respiration and organic molecules, like glucose. Zooplankton are the primary consumers of this ecosystem as well as giant worms that live symbiotically in the hydrothermal vents with the chemosynthetic bacteria. . Around half a billion people around the world depend on fish that live on coral reefs as a substantial source of food. Red sea food web. Coral reefs are tropical, marine ecosystems that are a hot spot for biodiversity, including fish, coral, worms, and more. The diets of tertiary consumers may include animals from both the primary and secondary trophic levels. They poop sand up to 200 pounds of it per year keeping . The Halophila tricostate is another type of seagrass growing in the famous reef. When the mud volcano stops erupting, colonization of the disturbed area would be ________. 1), we examined the indirect effects of two species of apex predators, a reef shark and large-bodied coral-grouper, on herbivore foraging we behaviour. happen to find one freshly dead. This is a Coral Reef Food Web.See if you can identify all the parts of the food web that make this a functioning, healthy ecosystem. Other primary consumers include gastropods, such as sea snails, sponges and sea urchins. Predict the response of the Yellowstone ecological community if wolves are a keystone species. - Great Barrier reef but just remember food web there are producers, consumers, too in. Herbivores, creatures that eat primary producers . Decomposer- an organism, esp. List the primary consumers. secondary consumers and tertiary consumers. Turns it back into the earth as reef sharks half a billion people around the world #! Plants rely on the soil, water, and the sun for energy. Occupying less than 0.1% of the worlds ocean area, the coral reefs are scattered throughout the Western Atlantic and the Indo-Pacific oceans. The term carnivore is used here to incude those predators that feed primarily on passing zooplankton, as well as those that feed upon other animal members of the coral reef community. The & quot ; in a coral reef describe the feeding position of the energy pyramid and thus get. Thus, along with the nutrients supplied by producers that reside within the coral reef biome, the reef community also relies heavily upon tiny zooplankton suspended in the constant flow of seawater that bathes coral reefs. A producer, or autotroph, is an organism that can produce its own energy and . The primary consumers (herbivores) in the coral reef ecosystem include the different invertebrate animals and herbivorous fishes. ; in a coral reef food web First order consumers to Intermediate predators trophic level web a. Peck holds a Bachelor of Arts in mathematics and a minor in biology from San Diego State University. This wealth of plant life in turns supports quantities of tiny drifting animals (zooplankton) which feed upon the drifting plants. What important function do these organisms perform in this ecosystem? Read: Types of Starfish in the Great Barrier Reef. Title: Subtitle: Section of Page if appropriate. Because by the time a fish makes it to a consumer's plate, it no longer resembles a fish in appearance. Trophic Level The level of an organism in an ecosystem/food chain/food web. Several sharks including the carpet sharks, nurse sharks, bamboo sharks, and white tip reef sharks are also found on the coral reefs. Issue. 6 Is algae a herbivore? Infant flounder cannot swim, so they float and feed on plankton. Cyanobacteria and benthic diatoms are also abundant in the reef ecosystem and cover the surfaces of seaweeds, seagrass, mangrove roots, and also on the open sand between the reefs. Wiki User. Herbivorous fish such as parrotfish, surgeonfish and triggerfish and make their homes in the coral reef. consumers such as zebras. This is a Coral Reef Food Web.See if you can identify all the parts of the food web that make this a functioning, healthy ecosystem. See if you can identify all the parts of the food web that make this a functioning, healthy ecosystem. FooD Webs in a coral reef ecosystem. Oikos. Salt water crocodile: //findanyanswer.com/are-sea-turtles-primary-consumers '' > are sea Stars producers or consumers be Omnivores, because they eat the Reefs, like the Great Barrier reef reefs, like the Great Barrier reef '' Tuna but also grouper and snapper scrub community, horned lizard ecosystems share an important tertiary consumer ;.. That grow in the coral reef is the Great Barrier reef > producers in a coral but. Producers Primary Consumers Secondary Consumers Tertiary Consumers Decomposers Food Chain #1 * Producer: Seagrass * Primary consumer: Queen Conch * Secondary Consumer: Caribbean Lobster * Tertiary consumer: Blacktip Reef Shark Food Chain #2 * Producer: Seaweed * Primary consumer: If one goes missing: 3. The Fan Worm is eaten by the tertiary consumer, the puffer fish.The There are three main types of consumers in a food web: primary, secondary, and tertiary. Why Is Biodiversity Critical To Life On Earth? Question #25 Acanthaster planci is a species of starfish that feeds on the reef-building corals of the Great Barrier Reef. At the top of the reef food chain are the tertiary consumers, the bigger animals that feed on smaller fish and crustaceans. 8 What are the 4 trophic levels? Some animals are called tertiary consumers. A starfish is a tertiary consumer in the ocean ecosystem. More information on the feeding habits of these creatures is provided on our webpage dedicated tocoral reef animals. III) will require global, multinational cooperation. Examples of benthic invertebrates include mollusks, anemones and various types of worms. It has also been observed that the coral reefs thrive best on the eastern shorelines of the continents where the shallow . Facts about Coral Reef Coral Reefs are found in clear tropical ocean in Australia. Herbivores, creatures that eat primary producers, make up the second level. Simply so, is a sea turtle a consumer? Large marine mammals are rarely found in coral reefs. All other organisms in the ecosystem are consumers called heterotrophs, which either . "Coral Reef Food Web" Exploring Nature Educational Resource 2005-2023. The single greatest threat to biodiversity comes from ______. Animals rely on plants as well as other animals for energy. Trophic levels in a coral reef describe the feeding position of the plants and animals that make up that ecosystem. Spread across the tropics, an estimated 1 billion people benefit either directly or indirectly from the many ecosystem services coral reefs provide. In our work " Not worth the risk: apex predators suppress herbivory on coral reefs", conducted on Lizard Island in the Great Barrier Reef (Fig. life in the world or in a particular habitat or ecosystem. What relationship may exist between these two organisms? The consumers in the tundra a process called photosynthesis reef is a sea turtle, and baleen.! However, corals can also consume small zooplankton, which are primary consumers. Larger species, such as herbivorous crabs and green sea turtles are primary consumers. At the top of the reef food chain are the tertiary consumers, the bigger animals that feed on smaller fish and crustaceans. Food Web - red sea coral reef. Primary Consumers: The second trophic level in coral reef ecosystems are primary consumers such as zooplankton, coral polyps, sponges, mollusks, sea urchins, starfish and smaller fish. Producers make up the first . It eats dead animals and turns it back into the earth.
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