The Rainforest Ecosystem

By: Molly Page and Molly Smith

organisms of the rainforest

  • two toed sloth
  • Bengal tiger
  • chimpanzee
  • golden lion tamarin
  • jambu fruit dove
  • king cobra
  • orangutan
  • slender loris
  • Sumatran rhino
  • wagler's pit viper
  • pygmy elephant
  • toco toucan
  • coconut tree
  • strangler figs
  • Bengal bamboo
  • saprophytes
  • pitcher plant
  • capuchin monkey

sybiotic relationships

Mutualism: one example of mutualism in the rainforest ecosystem is between the capuchin monkey and flowering plants. When the monkey takes the nectar polin sticks to it's face thus pollinating the flower.

predator/ prey relationship

A predator/prey relationship would be a jaguar and a sloth. The Jaguar is the predator and the sloth is the Prey. Jaguars will sometimes climb trees to get a (very slow moving)sloth.


An example of competition in the rainforest ecosystem is plants competing for sunlight. In the canopy, it is a lot of plants all fighting for one source.

food web

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food pyramid

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Tertiary: jaguar

Secondary: giant anteater, silky anteater

primary: sloth, jambu fruit dove,termites

producers: Fern, tree, fruit tree, Bengal bamboo

Explanation of the Energy Levels

The energy levels, as shown in the picture above, show how energy is transferred throughout the pyramid. The producers start out with all of the energy, which they receive from the sun. 90% of that energy is used for things such as photosynthesis. The other 10% of that energy is passed on to the consumer that eats it. The primary consumer then has 10% of the original energy. It uses 90% of it to hunt for food and reproduce. It then passes on 10% of its energy to the secondary consumers. The pattern continues throughout the pyramid. This is known as the "10% rule".

food chains

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matter cycle

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density dependent factors

  1. food
  2. sunlight

density independent factors

  1. dirt
  2. temperature

limiting factors

  1. living space
  2. food
  3. water