The Rainforest

  Biotic and Abiotic factors of the Rainforest

Biotic factors                                                                                   Abiotic factors

Monkeys                                                                                         Water

Trees                                                                                              Dirt

Plants                                                                                             Oxygen

Lizards                                                                                           Clouds                                                                                      


                                 This snake is an example of a biotic factor

                                          water  is an example of an abiotic factor

Carrying Capacity and Changes in Populations

Carrying capacity refers to the balance between the availability of habitat components and the numbers of animals the habitat can support.                                                                                                                            Habitat components: food,water,shelter,space.

For example, lets say that a mouse is looking for water and there is none. That's means that the mouse and others mice will die and its predator, the snake will die too.                                                       

Limiting Factors and Predator/Prey relationships

Limiting Factors- resources or environmental conditions that limit the growth, abundance, or distribution of an organism or a population of organisms in an ecosystem.                            Examples of limiting factors: disease,predator/prey relationships, impacts of weather conditions from season to season.

An example of how limiting factors can affect a predator/prey relationship is: Lets say that a snake and a mouse have a predator/prey relationship and that mouse has a deadly disease that is contagious. If that snake eats that mouse then that snake will be likely to die.

For example: That mouse could have a deadly disease therefore that snake eating it might possibly die too.

                            Energy roles

Energy roles: producers,consumers,decomposers.                                                             There are different types of consumers like herbivores,carnivores,omnivores,and scavengers.

This monkey (consumer) is receiving its energy from this plant (producer). This plant is playing an energy role by providing its self for the monkey to eat.

Producers like this plant are vital to this ecosystem because if it wasn't there then all the herbivores in the rainforest ecosystem would die.

                  Food webs and Food chains

Food webs are more realistic than Food chains in my ecosystem because a food web consists of all the different food chains in a particular ecosystem.

                           This is an example of a food web in a Rainforest.

If the frog population in this web was removed than the snakes in this web would die down.

        Trophic levels and Energy pyramids

  This is a Rainforest energy pyramid labeling the trophic levels and the available energy in each trophic level. The reason behind the use of a pyramid instead of some other shape is because the pyramid represents the distribution of each level. Producers in a energy pyramid are at the largest level because they carry the most energy and top carnivores are at the smallest level because they carry the least energy. This represents trophic levels.


This is the process of Photosynthesis.

The chemical equation for all substances involved in photosynthesis is 6CO2+6H2O_____> C6H12O6+6O2.

During the process of photosynthesis plants break apart the reactants of carbon dioxide and water and recombine them to produce oxygen and form a sugar called glucose.

Photosynthesis takes place within tiny plant cells called chloroplasts.


Tropisms- the turning of all or part of an organism in a particular direction in response to an external stimulus.

An example of a tropism in a rainforest could be a vine rapping around another plant like this picture below.

Tropisms help the plants of my ecosystem by plants growing towards the sun and other tropisms as tools to survive.

                    The role of Decomposers

Decomposers are vital to my ecosystem because they break down dead organisms and use them as nutrients for plants. If there were no decomposers in my ecosystem then the wastes and remains of dead organisms would pile up and the nutrients within the waste would not be released back into my ecosystem. This earth worm pic below is an example of a decomposer.

Comment Stream

View Older Posts
2 years ago

i agree with this because all the biotic and abiotic examples are correct

2 years ago

what might happen if all the trees in the rain forest were cut down?

2 years ago

''what might happen if all the trees in the rain forest were cut down?

2 years ago

i agree with this because it has a good list of abiotic and biotic factors plus you have a video

2 years ago

i like how u used a T chart

2 years ago

good job i love this 😍 but i dont like the color

2 years ago

i agree with the biotic and abiotic

2 years ago

how much rainfall does the rainforest receive annually? does this affect the species that lives there?

2 years ago

i agree with steps 3-7

2 years ago

you need to include specific examples of organisms and relationships in steps 3-5. looks great, just needs some improvement!