/Parent 3 0 R Students explore major marine ecosystems by locating them on maps. /Contents 59 0 R >> The key point of this activity is how much energy is retained and lost between each level of the food web. Grasshoppers are primary consumers because they eat plants, which are producers. Reduced sulfur compounds are oxidized when drained are often characterized by a wide range of salinity National Geographic Society is a 501 (c)(3) organization. /CreationDate (D:20171107163750Z) endobj What kind of birds live in mangrove trees? >> /GS7 46 0 R If one or more of those nutrients disappears, the producers, and by extension the whole ecosystem, is in trouble. /F1 48 0 R Have students work in pairs or individually. 15 0 obj Copyright 2022 - sciencebriefss.com. These micro-organisms produce waste which, along with the even smaller mangrove litter, is eaten by molluscs, small crustaceans and fish. /Tabs /S reducing the litter mechanically to detritus. /Rotate 0 /Rotate 0 /Parent 3 0 R >> /Rotate 0 HTMo@#\EQ$U["U `mZw6 /Metadata 2 0 R /F5 52 0 R >> endobj /Rect [175.35 400 220.37 410] /Endnote /Note This allows them to live in a salty environment without drying out. xVr6}WSF;Tdi*3_ rI" $<2={/!o;(J !^(t277wK^ | dy Here are some decomposers that live in a swamp mushrooms, snails, worms and fungi What are the wild lives in the mangrove swamp areas? /Tabs /S /S /Transparency >> Why not you. /Length 1009 << 170 0 R 171 0 R 172 0 R 173 0 R 174 0 R 175 0 R 176 0 R 177 0 R 178 0 R 179 0 R Who makes the plaid blue coat Jesse stone wears in Sea Change? /Tabs /S /Border [0 0 0] /F5 52 0 R Have students work in pairs or individually. Decomposers Provide Nutrients As mangroves and seagrasses grow larger, they require more and more nutrients. /F3 50 0 R /Resources << ). Ask: Based on this food pyramid, do you think there are more top predators (gray reef sharks, bluefin tuna) than producers (phytoplankton, seagrass, algae)? 19 0 obj 2013 ). /GS7 46 0 R /Subtype /XML uuid:841c3460-6260-4287-b186-596bb86c75ec What Role Do Decomposers Play inside a Food Chain? Because of their coastal location and the tangled nature of their roots, mangrove forests also help protect shorelines from erosion while giving many rare species places to live. As the fish are eaten by predators, their energy and nutrients become another link in the chain. A decomposer is a living thing that gets energy by breaking down dead plants and animals, Fungi and bacteria are the most common decomposers. /CS /DeviceRGB /S /URI Stress and anxiety researcher at CHUV2014presentPh.D. The red mangroves located on the ocean side of their habitat are vitally important because they trap sand. Herbivores such as molluscs, mullets and parores feed on mangrove leaves. This slows coastal erosion and builds a foundation for other plants to grow like sea grape, buttonwood, pines, ferns, black and white mangroves. /F4 51 0 R endobj 6(\F 4}d(OWL0fDDUcS_ G0 The straw-like spikes surrounding this plant are pneumatophores. of organic acids during anaerobic decomposition. Between mangroves dropping their leaves in the water and fish dying, things can become a little messy. /Footer /Sect /Type /Page The cookie is used to store the user consent for the cookies in the category "Other. /F5 52 0 R Additionally, sporadic litter fall exists Date of Electronic Publication or other Date, such as Last Updated. 17 0 obj ), oysters (Crassostrea spp. all related food chains in an ecosystem. May 2, 2023< http://www.exploringnature.org/db/view/Mangrove-Swamp >. /MediaBox [0 0 612 792] /CS /DeviceRGB /Resources << detritus food webs in nearby coastal waters. stream Since these estuarine swamps are constantly replenished with nutrients transported by fresh water runoff from the land and flushed by the ebb and flow of the tides, they support a bursting population of bacteria and other decomposers and filter feeders. /Contents 56 0 R >> /ParentTreeNextKey 16 /Macrosheet /Part /F4 51 0 R /S /Transparency /K [23 0 R] /F6 54 0 R /GS7 46 0 R 2. (PDF) Energy Flux in Mangrove Ecosystems - ResearchGate /RoleMap 25 0 R 6 0 obj mangrove /S /URI The Function of Decomposers inside a Mangrove Ecosystem /Rotate 0 enriched nutritionally by its microbial population Effects of nutrient enrichment on mangrove leaf litter decomposition /Contents 61 0 R All rights reserved. /F1 48 0 R Distribute a copy of the Marine Organism Notetaking worksheet. mangroves intercept 95% of the available light at Once the deadfall has been chewed into fine pieces, bacteria, protozoans and microbes get to work breaking those particles into even smaller pieces. Its diet includes predatory fish that eat algae-eating fish, as well as snakes that feed on grass-eating marsh rabbits. location and quantity of water are essential to Very few organisms feed directly off of the mangroves (e.g. >> These organisms get their nourishment from dead organic material, such as decaying plant leaves or dead fish that sink to the bottom of a pond. /ExtGState << They will best know the preferred format. /Type /Group leaf /Rotate 0 /F4 51 0 R /F4 51 0 R litter /F5 52 0 R The plants there have to be able to live in salty water. /Diagram /Figure /Parent 3 0 R /Contents 53 0 R /Group << /Filter /FlateDecode Also called an autotroph. /BaseFont /Helvetica They feed on the fish is the community, who take shelter in the roots of the mangrove trees. /Rotate 0 (Trust me, I've researched this), Here are some decomposers that live in a swamp mushrooms, /Resources << /S /Transparency /Tabs /S (ii) Restoration of a mangrove ecosystem. Comment document.getElementById("comment").setAttribute( "id", "af640d12c00c9205091c0a381b5c1332" );document.getElementById("ae49f29f56").setAttribute( "id", "comment" ); Save my name, email, and website in this browser for the next time I comment. /F4 51 0 R 39 0 obj /F2 224 0 R >> /CS /DeviceRGB endstream NOAA: Coral Reef Information SystemWhat are Coral Reefs, Texas A&M University: Department of OceanographyMarine Fisheries Food Webs, National Geographic Education: National Teacher Leadership Academy (NTLA), create a food web display to illustrate the trophic relationships between marine organisms, identify common organisms living in a marine ecosystem, research ecological facts about marine organisms, prepare illustrated cards depicting marine organisms and their predator-prey relationships, Tech Setup: 1 computer per classroom, Projector. endobj The food chain of a mangrove forest relies heavily on the recycling of the detritus, made by the falling leaves of the trees. mangrove leaves is faster in marine waters than These ecosystems sustain billions of worms, protozoa, barnacles (Balanus spp. /Contents 64 0 R What are the decomposers in a mangrove swamp? - Answers >> ), decomposition of Red >> /Title (The dECOMPOSITION OF ORGANIC MATTER IN MANGROVE ecosystems: A REVIEW) /A << These mangrove forests are not just stands of trees they are entire ecosystems, complete with producers, consumers and tons of decomposers. /F5 52 0 R This Due to /S /Transparency colonization which speeds up decomposition. >> /Border [0 0 0] Litter Special thanks to the educators who participated in National Geographic's 2010-2011 National Teacher Leadership Academy (NTLA), for testing activities in their classrooms and informing the content for all of the Ocean: Marine Ecology, Human Impacts, and Conservation resources. Xg'j0]`|(vV(8np [Qr522Iq%vssaH!t`M>q)"Ni`.84Rx=C+k2c2> There are also phytoplankton that float on the surface of the water and algae growing on the mangroves roots. uzZC*y5vPc~p7p0^;~=qQ$@YIhF?JpSa~QF Os64~EkBX?jJasC|`HgoV:HE Factors affecting productivity are 160 0 R 161 0 R 162 0 R 163 0 R 164 0 R 165 0 R 166 0 R 167 0 R 168 0 R 169 0 R /Font << mangroves, white mangroves, buttonwoods, the nipa palm, and some Analyze the food web display as you discuss the interconnectedness of species within and between the mangrove and coral reef ecosystems. /Resources << Red mangroves are the most common coastal mangroves. /Parent 3 0 R A mangrove commonly refers to two different things: a tidal swamp ecosystem found in tropical deltas, estuaries, lagoons or islands, and the characteristic tree species populating this ecosystem. Prompt students to recognize trophic relationships between the mangrove and coral reef ecosystems. How do I choose between my boyfriend and my best friend? /Resources << /Tabs /S /S /Transparency decomposer noun organism that breaks down dead organic material; also sometimes referred to as detritivores ecosystem noun community and interactions of living and nonliving things in an area. White mangroves grow further inland out of the water, so do not need arching roots or special structures for reaching the air. Effects of nutrient enrichment on mangrove leaf litter - PubMed /F5 52 0 R diagram of a healthy diet that shows the number of servings of each food group a person should eat every day. << /Encoding /WinAnsiEncoding /CropBox [0 0 612 792] 12 0 obj The audio, illustrations, photos, and videos are credited beneath the media asset, except for promotional images, which generally link to another page that contains the media credit. /Contents 60 0 R >> /MediaBox [0 0 612 792] endobj Mangroves of Australia Mangroves of Australia examines the biology, reproduction, distribution and diversity, plants and animals, threats, benefits and conservation of mangroves. These organisms in turn feed fish and shrimp, which support wading birds, pelicans, and the endangered Crocodile. They are also important because they provide a habitat for other species that live in the ecosystem, like fish and birds. What are the qualities of an accurate map? Our goal is to make science relevant and fun for everyone. As it is a producer, it makes it own food in a process called photosynthesis. _____________________________________________________________________________________________________________, Related Testing and Assessment:Mangrove - Multiple Choice QuizMangrove Labeling Page. -Water levels: Mangroves are limited to the intertidal zone with less competition from freshwater plants. /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /Font << (Melampus coffeus) are known to eat Black mangrove In mangroves, the creatures feeding on plants are often fish, insects or even decomposers (not much feeds on mangroves directly). /Resources << 2023 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. The 1 decomposer: Bateria and fungi lives in the bottom of the water of the mangrove. /ExtGState << >> >> " (Mangroves) have been the quiet achievers that have . The audio, illustrations, photos, and videos are credited beneath the media asset, except for promotional images, which generally link to another page that contains the media credit. Consumers are those organisms that get their energy from eating other organisms. >> Although decomposers are included in food webs, they are absent in food pyramids. PDF The dECOMPOSITION OF ORGANIC MATTER IN MANGROVE ecosystems: A REVIEW Mangrove Swamp - Exploring Nature stream They may eat plants or they may eat animals. >> Sustainability Policy| /A << 9 [126 0 R 127 0 R 128 0 R 129 0 R] 28 0 obj /Subject (BSM-4109: Project Preparation WSC) responsible for the characteristic smell of /StructParents 14 stream Are mangrove producers consumers or decomposers? /StructParents 9 Mangrove Trees Phytoplankton is another primary producer and autotroph in the mangroves food web. snails, worms and fungi. These animals are quite different from one another and live in different ways, but they have something in common: In this ecosystem, they are all consumers.Within every ecosystem, organisms interact to move energy around in predictable ways. /ExtGState << >> /Font << bean snail BSM-4109: Project Preparation WSC belong to the Kingdom Eumycota, and are usually found on living mangrove plants or on dead decaying vegetation, as saprophytes, parasites or symbionts. >> /Parent 3 0 R "Mangrove Swamp" Exploring Nature Educational Resource 2005-2023. There (PDF) Mangrove fungi in India - ResearchGate << Decomposers of swamps include mushrooms, grasshoppers, and In most ecosystems, organisms can get food and energy from more than one source, and may have more than one predator. Larger predatory fish, turtles, and crabs feed on the primary consumers. /GS7 46 0 R Phylogenetic relationships of related taxa were inferred from combined LSU, SSU, TEF1, and RPB2 sequence data, and the analyses . /StructParents 7 /Subtype /Link /Contents 57 0 R Mangrove Ecology of Florida and the Caribbean - Miami University compares above and below ground biomass estimates /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /MediaBox [0 0 612 792] /CS /DeviceRGB high tide line. Even dissolved substances are consumed by plankton or, if they are on the mud surface, by animals such as crabs and mud whelks. Mangroves provide a plethora of ecosystem services that maintain coastal habitat health. 16 0 obj 2 breaking down #V,.(P=f+/+}g{9G`}0"?HT! /GS7 46 0 R /Rotate 0 /Type /Page /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] The 1 decomposer: Bateria and fungi lives in the bottom of the water of the mangrove. limestone underneath. /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] If a media asset is downloadable, a download button appears in the corner of the media viewer. >> All rights reserved. /Type /Page /F6 54 0 R /Font << Scroll through the illustrations and have students read the captions. Food webs consist of many interconnected food chains and are more realistic representation of consumption relationships in ecosystems. fall of Florida mangrove forests estimates range /Type /Group Press ESC to cancel. /Chart /Sect This cookie is set by GDPR Cookie Consent plugin. The dECOMPOSITION OF ORGANIC MATTER IN MANGROVE ecosystems: A REVIEW Together, the mangroves and seagrasses use photosynthesis to grow and provide energy for the rest of the ecosystem. and other small grazers speed up the process by mangrove systems are second only to the tropics in >> They are called omnivores, from the Latin words that mean eats everything. A raccoon is an example of an omnivore; it eats plant matter such as berries and acorns, but it also catches crayfish, frogs, fish, and other small animals.Ecosystems can also have tertiary consumers, carnivores that eat other carnivores. Ask volunteers to come to the front of the room and draw a pyramid and a web. /GS7 46 0 R << endobj >> /Tabs /S 02 concentration, frequently increased color and /Type /Page Which is correct poinsettia or poinsettia? /F1 48 0 R Text on this page is printable and can be used according to our Terms of Service. This is important for the plant, which is rooted in underwater soil where gas exchange is poor. The aim is to support livelihood without destroying the mangrove forest. There is not a lot of plant diversity (number of species) in mangrove swamps. Everglades noun vast swampy region flowing south of Lake Okeechobee in Florida. the greatest net production, Blacks intermediate, /Type /Page exists a classic mangrove periwinkle In mangroves, the creatures feeding on plants are often fish, insects or even decomposers (not much feeds on mangroves directly). They support many species of fish, amphibians, reptiles and other animals. /StructParents 4 In North America, they are found from the southern tip of Florida along the Gulf Coast to Texas. When those predators die, it is then up to the decomposers to hit the reset button on the food chain by harvesting nutrients that were passed from the producers to the consumers so they can be used again. Prop roots grow down on the trunk of the mangrove until they reach the surface of the water where they will branch over and over forming a thick web of roots. They eat primary producersplants or algaeand nothing else. >> /Annots [31 0 R 32 0 R 33 0 R 34 0 R 35 0 R 36 0 R 37 0 R] /Font << endobj What Is Geometry Optimization In Computational Chemistry, How Long Is The Ap Computer Science Principles Exam, What Is Waterfall Model In Software Engineering, Is A Masters In Computer Science Worth It Reddit. It does not store any personal data. non-scientific name of a species, or what the organism is usually called. this model from forest to forest. /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /CS /DeviceRGB << /Type /Group One of the most important factors being their ability to maintain the food chain. /S /URI A .gov website belongs to an official government organization in the United States. /F3 29 0 R White mangroves appear in this area, >> /P 4 0 R Healthy, well-balanced ecosystems are made up of multiple, interacting food chains, called food webs. endstream /Resources << Because mangroves often line estuaries, where freshwater rivers flow into the ocean, the water is often brackish a mix of fresh and salt water. /F6 54 0 R fluctuation. /Contents 26 0 R Contact Us. primaryproductivity. /C [0 0 1] He teaches Ecology and Evolution at the University of Northern Colorado. From massive marine mammals like whales to the tiny krill that form the bottom of the food chain, all life in the ocean is interconnected. 1145 17th Street NW >> 20 0 obj The most common species of mangrove found in the inland swamps is the black mangrove. The Rights Holder for media is the person or group credited. /F1 48 0 R << Energy Flux in Mangrove Ecosystems | SpringerLink Primary consumers are the decomposers. Required fields are marked *. >> 1996 - 2023 National Geographic Society. increase in surface area aids microbial Mangrove forests also contain several salt-tolerant plant species which are not classed as mangroves. Litter production in mangrove varies widely with species, forest type, stand age, geographical location and environmental parameters (e.g. /Border [0 0 0] /Type /Group This inefficiency limits the length of food chains. Other important producers in these ecosystems are seagrasses, which coat the seafloor underneath the mangroves like a soft shag carpet. They are also primary consumers and heterotrophs. We propose that integrating view point from community and ecosystem ecology in mangrove by quantifying energy fluxes from solar energy to producers, consumers and decomposers which can provide. /F5 52 0 R /Tabs /S z>?aY"{TV[$04`ViPdLBi[R ;{q{FcsY{|WQs4(IB[o$=XT| /GS7 46 0 R They discuss how food webs can illustrate the health and resilience of an ecosystem. /F3 50 0 R The estuarine environment associated with mangroves is highly favourable for the survival of diverse strains of microbes (Fig. /BBox [0 0 594.96 841.92] /Contents 62 0 R << >> << << endobj /Resources << /StructParents 12 /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] << /S /URI /ModDate (D:20171107163810Z) /GS8 47 0 R 2017-11-07T16:38:10Z endobj it down 1 [79 0 R 80 0 R 81 0 R 82 0 R 83 0 R 84 0 R 85 0 R] >> >> The top level of this food chain are the wading birds, such as egrets or ospreys. Nancee Hunter, Julie Brown, National Geographic Society /Font << >> These crabs serve as a link between the primary production of mangroves and the detrital, or decomposer-based, food web. >> These results helped in documenting the existing results of functional groups of microbes such as cellulose decomposers, denitrifiers and nitrogen fixers in different forest soils. >> mosquitoes. A great egret (Ardea alba) stalks fish in the shallows. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. National Ocean Service: What is a Mangrove Forest? /Worksheet /Part This is where decomposers come in. >> /Type /StructElem >> Amphipods and other small grazers speed up the process by reducing the litter mechanically to detritus. /Parent 3 0 R /GS8 47 0 R 120 0 R 121 0 R 122 0 R 123 0 R 124 0 R 125 0 R 126 0 R 127 0 R 128 0 R 129 0 R << Because they have thick vegetation for hiding and are rich in organic matter (dropped leaves, buds, seeds, bark, etc.) Microsoft Word 2013 But opting out of some of these cookies may affect your browsing experience. National Geographic Headquarters 1145 17th Street NW Washington, DC 20036. These cookies will be stored in your browser only with your consent. /F4 51 0 R >> /Encoding /WinAnsiEncoding /S /Transparency Microbial decomposers are a key functional group processing most of the carbon and nutrient fluxes in these coastal systems (Holguin et al., 2001). Additional significant descriptive information. 2005-2023 Sheri Amsel. /StructParents 6 Mangrove trees dominate this wetland ecosystem due to their ability to survive in both salt and fresh water. /Author (Shantelle Friesen) depth of water for growing 1.5 feet (.4 m) into the When a top predator dies, it is consumed by scavengers or decomposers.In addition to consumers and the producers that support them, ecosystems have decomposers. /F3 50 0 R endobj /Type /Page 2 What is the food chain in the mangrove? /F4 51 0 R >> 30 0 obj 5 [107 0 R 108 0 R 109 0 R 110 0 R] /CS /DeviceRGB /Parent 3 0 R is utilized as a food source by a variety of >> >> The primary producers in mangrove ecosystems would not be able to do their job without decomposers providing nutrients for them. /Subtype /Type1 /F5 52 0 R Your coconut shrimp might also be hurting mangroves. mangrove flora: fungi - National University of Singapore >> Small fish, crabs, clams, and shrimp feed off of the detritus. /Pages 3 0 R /CS /DeviceRGB /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] (crabs, amphipods, etc. /CropBox [0 0 612 792] Mangroves are highly productive ecosystems, being key components of trophic food chains along tropical coastlines. Primary producersplants, algae, and bacteriamake up the base of the pyramid, the first trophic level. Every living thing in the ocean depends on energy. Molecular Biology and Genetics, Newfound Harbor Marine Institute: Mangrove Ecology. /Type /StructTreeRoot ScienceBriefss a new way to stay up to date with the latest science news! endobj /Rect [127 470 311.2 480] /CropBox [0 0 612 792] /F4 51 0 R /GS8 47 0 R /StructParents 2 endobj Have students analyze a marine food web example. 5. Take a deep dive with us as we explore the various levels of interconnectivity in the mangrove food web ecosystem. Why do food webs have arrows between organisms and not just straight lines? The bacteria in mangroves are very important, acting as decomposers and breaking down organic matter making it is available to the food web. /Type /Group Students participate in a simulation of a Shark Bay food web to see the relationships between members of that ecosystem. << << /Marked true Mangrove swamps are coastal wetlands found in tropical and subtropical regions. What are some producers in the mangroves? >> /S /Transparency >> 140 0 R 141 0 R 142 0 R 143 0 R 144 0 R 145 0 R 146 0 R 147 0 R 148 0 R 149 0 R >> Few >> 200 0 R 201 0 R 202 0 R 203 0 R 204 0 R 205 0 R 206 0 R 207 0 R 208 0 R 209 0 R The food chain of a mangrove forest relies heavily on the recycling of the detritus, made by the falling leaves of the trees. /GS7 46 0 R /F4 51 0 R decomposer noun organism that breaks down dead organic material; also sometimes referred to as detritivores ecosystem noun community and interactions of living and nonliving things in an area. /F4 51 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] << /CS /DeviceRGB Tell students that they will build their own marine food web for two interrelated ecosystems: mangroves and coral reefs. >> The 1 omnivore: mangrove tree crabs lives in both land and water of the mangrove. Mangroves are highly productive and changing forests located in the intertidal zone of tropical regions. His work has appeared in New Scientist, LiveScience, Discovery's Curiosity Daily podcast, and MinuteEarth. uuid:86349735-81aa-4137-878f-95fa66914b4d /Type /Page endobj Consumers - National Geographic Society /F6 54 0 R The How Lengthy Could Humanity Survive a spook Apocalypse? Exactly why is existence science advantageous to life? endobj Due to the imbalance between rates of organic matter (OM) production and decomposition, mangroves and other vegetated coastal ecosystems represent an important global carbon sink (Donato et al., 2011, Yuan et al., 2015). /Contents [38 0 R 39 0 R 40 0 R 41 0 R 42 0 R 43 0 R 44 0 R 45 0 R] 29 0 obj /F1 223 0 R Its estimated that 75 percent to 90 percent of fisheries on the Florida coast are supported by mangroves. group of organisms linked in order of the food they eat, from producers to consumers, and from prey, predators, scavengers, and decomposers. Surface waters associated with mangrove habitats Amphipods Necessary cookies are absolutely essential for the website to function properly. community and interactions of living and nonliving things in an area. Plants Found in This Habitat There is not a lot of plant diversity (number of species) in mangrove swamps. /Type /Group 37 0 obj >> Aside from the high accumulation of organic matter from the operation of the fishpond, the high soil organic carbon in mangrove forests can also be attributed to the rapid decomposition rate and. /Rect [328.19 400 546.06 410] endobj As the water rises and falls every day with the changing tides, the saltiness (salinity) also changes. /ExtGState << intertidal zone and predominate area covered by When an ecosystem is in balance, all organisms have sufficient energy and food to survive. endobj /CropBox [0 0 612 792] /Tabs /S There are around 80 different species of mangroves worldwide, and they are all characterized as trees or shrubs that grow in warm, salty water. animal that hunts other animals for food. - Norman Duke / Professorial Research Fellow, JCU Australia, March 11, 2022 | South Florida Brothers Team Up To Restore Worlds Lost Mangroves, "(Mangroves) have been the quiet achievers that have somehow adapted to fit among our everyday lives. 10 0 obj the mangrove tree crab). Mangroves help fight climate change but they are far from immune to its effects. is also apparent with an increase in tidal /Rotate 0 the Everglades with decreased pronounced effects in endobj These mangrove forests are not just stands of trees - they are entire ecosystems, complete with producers, consumers and tons of decomposers. /Subtype /Type1 What Exactly Are Two Different Habitats inside a Prairie Ecosystem? << /CropBox [0 0 612 792] /A << >> /Textbox /Sect 7 0 obj animal that is hunted and eaten by other animals. Sarah Appleton, National Geographic Society. /F4 51 0 R During the class discussion the teacher should prompt students to talk about the amount of energy that is lost between trophic levels using their organisms as examples.