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Food Web of a Tropical Rainforest

This presentation shows the different species in a tropical rainforest and where do they stand in the energy pyramid.

Fiorella Garcia

on 21 October 2011

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Transcript of Food Web of a Tropical Rainforest

Tropical Rainforest Food Web Tropical Rainforests are found in different parts of the world, including Central and South America, Asia, Africa, Australia, Southern Mexico and the Pacific Island. It is known by it's rich vegetation and thousands of different species Food Web Tertiary Consumers Hawk Jackal Leopard Secondary Consumers Woodpecker Sparrow Frog Primary Consumers Grasshopper Beetle Slug Squirrel Producers Cedar Buttress Root Broad-leaved Evergreen Trees Decomposers Leaf-cutter Ants Termites Lianas Comet Orchid Food Chain Leopard Sparrow Beetle Cedar Food Chain Hawk Frog Slug Buttress Roots Tertiary Consumer Secondary Consumer Primary Consumer Producer Tertiary Consumer Secondary Consumer Primary Consumer Producer iii. The top two carnivores in this food web are the leopard and the jackal. iv. If all the primary consumers become extinct, not only will the producers increase enourmously but the secondary consumers will not have any source of food which will negatively affect them because without any intake of energy and nutrition they would starve to death, which could put them in danger of extinction as well. v. Without decomposers, there would not be any species to decompose all the dead decaying organisms so without them, the ecosystem would be filled with dead organisms and their excrement. What decomposers do is basically break down dead organic material that can be used again by living organisms; however without them, the world would be filled with dead organisms. vi. If a non native species came to the ecosystem and depleted all the producers, it would disturb the whole food web and the whole ecosystem because it would disrupt the balance of it. The decrease of producers would negatively affect all the trophic levels in the food web because if the sources of food decrease, then the primary, secondary, consumers will also decrease and this vicious circle would also decrease the population of the tertiary consumers. vii. As a system becomes more system becomes more complex it becomes more stable. This relates to a food web and to an ecosystem as well because a food web is a type of system so this law also applies to this food web. When there are a big amount of producers, primary consumers, secondary consumers and tertiary consumers, it is better for the ecosystem becomes if something abnormal happened, it wouldn't be jeopardized. For example, if frogs became extinct in a tropical rainforest, it wouldn't affect the ecosystem or the tertiary consumers in this case because the jackals, hawks, and leopards would still have other sources of food like the squirrel or the sparrow, so they would not be affected. But for example, in a simple food web, take for example the first food chain, where there is only one tertiary consumer, the leopard, one secondary consumer, the sparrow, one primary consumer, the beetle, and one producer, the Cedar tree, if something happened to one of the species, the system would be negatively affected and even dissapear over time because imagine that the sparrow became extinct. The leopard won't have any source of food which would lead him to become extinct as well. Bibliography:

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- http://www.buzzle.com/articles/tropical-rainforests-energy-pyramid.html

- http://www.globio.org/glossopedia/article.aspx?art_id

- www.world-builders.org/lessons/less/biomes/rainforest/temp_rain/temppy.html
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