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Tropical Rainforest Food Web

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by

Kat H.

on 25 October 2013

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Transcript of Tropical Rainforest Food Web

Tropical Rainforest Food Web
By: Katherine Huang
Papaya tree
Tertiary
Consumers

Decomposers
Producers


Brazil nut tree
Howler monkey
Golden lion tamarins
Grass
Amazon sword
aquatic plant
Capybara
Primary Consumers

(herbivores)
Guava tree
Amazon beetle
Amazon horned frog
Secondary
Consumers
Harpy eagle
Jaguar
Caiman
Fungi
Bacteria
Sources
Grass
Amazon beetle
Amazon horned frog
Caiman
Producer: Grass
Primary Consumer: Amazon beetle
Secondary Consumer: Amazon horned frog
Tertiary Consumer: Caiman
Guava tree
Howler monkey
Harpy eagle
Jaguar
Producer: Guava tree
Primary Consumer: Howler monkey
Secondary Consumer: Harpy eagle
Tertiary Consumer: Jaguar
Caiman
Jaguar
Top Carnivores
Food Chain #1
Food Chain #2
Sun
http://www.freestockphotos.biz/pictures/15/15147/Illustration+of+the+sun.png

Guava tree
http://upload.wikimedia.org/wikipedia/commons/4/44/Psidium_guajava_fruit2.jpg

Papaya tree
http://www.flowerpicturegallery.com/d/10467-2/Green+and+yellow+papaya+tree+fruit_hardy+fruit+trees.JPG

Brazil nut tree
http://treepicturesonline.com/brazilnuttree-237.jpg

Grass
http://images.sciencedaily.com/2012/12/121214200916-large.jpg

Amazon sword aquatic plant
http://animal-world.com/encyclo/fresh/plants/RosettePlants/images/AmazonSwordWFPR_C145.jpg

Howler monkey
http://images.nationalgeographic.com/wpf/media-live/photos/000/004/cache/black-howler-monkey_467_600x450.jpg

Golden lion tamarin
http://www.rainforest-alliance.org/sites/default/files/species/golden_lion_tamarin.jpg

Amazon beetle
http://farm3.static.flickr.com/2348/2271182070_a6e7b628d2.jpg

Capybara
http://cf067b.medialib.glogster.com/media/c6/c6f1f9365cb593964aad602d2c47761e8181d288ecdb8adcdf8db18e770c9fdf/capybara-wet-family-jpg.jpg

Harpy eagle
http://upload.wikimedia.org/wikipedia/commons/3/3b/Harpia_harpyja_001_800.jpg

Amazon horned frog
http://images.nationalgeographic.com/wpf/media-live/photos/000/004/cache/amazon-horned-frog_443_600x450.jpg

Anaconda
http://www.amazonlodges.net/uploads/c5/7c/c57c2b1a379460553f85466fce68e3c2/anaconda_big.jpg

Caiman
http://readanddigest.com/wp-content/uploads/2012/11/Black-Caiman.jpg

Jaguar
http://library.thinkquest.org/5053/SouthAmerica/jaguar.jpg

Fungi
http://www.ucmp.berkeley.edu/fungi/basidio/mushroomsismall.jpg

Bacteria
http://www.vedicsciences.net/design/bacteria5.jpg










Anaconda
If all the primary consumers became extinct,
the producer population would increase excessively over time because there would be no herbivores left. So since the secondary consumers are carnivores, they would have nothing to eat. Therefore, this could lead to starvation in some of them that would then end with death and unstableness in the food web. However, the smarter organisms would adapt to this change and become herbivores, which would lead to a final result of a stable food web.

So in my food web, harpy eagles, amazon horned frogs and anacondas would have to become herbivores or else they would die.

iv. Explain what would happen if all the primary consumers became extinct. Avoid exaggeration.
v. Describe what would happen if all the decomposers became extinct. Avoid exaggeration.
If all the decomposers became extinct, no organism would eat up the leftover parts of the ecosystem that cannot be eaten by the consumers higher up in the trophic structure. Also, dead matter and waste would not get decomposed and the soil would not get essential nutrients, becoming less fertile. In infertile soil, few plants would grow and they wouldn’t contain enough nutrients for the survival of the rest of the food web, so other trophic levels would starve and eventually die.
vi. Explain what would happen if a non-native species severely depleted the population of producers in your food web.
If a non-native species severely depleted the population of producers there would be a huge impact in my food web. Every organism higher up in the trophic level depends on the survival of the producers because they are the ones that grow with the sun’s energy and are food to the primary consumers (herbivores). So in order for survival, the primary consumers would have to become carnivores and there would be competition for food between them, the consumers higher up in my food web and the non-native species. Some consumers would starve, decline in population that would lead to the extinction of them.

So in my food web, howler monkeys, golden lion tamarins, capybaras and amazon beetles would have to become carnivores in order to survive.

vii. Explain why food webs with many species are more resilient than those with few species.
Food webs with many species are more resilient than those with few, because the larger the number of species, the more stability in a system. For example in a food web with many species if one primary consumer becomes extinct, there will still be other alternatives for the secondary consumers to feed on. If there are less species, if one organism becomes extinct, then the whole food web will lose its complexity since there would be less sources of food for the animals in higher trophic levels, which could lead to their extinction.
The End
Source: http://mongabay.com/images/malaysia/borneo_river_08.gif







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