Terms
The sum total of all ecosystems on Earth.
Biosphere
A group of organisms in an ecosystem identified by their food source.
Trophic level
Organisms that only eat animals.
Carnivores
A sequence of feeding relationships describing which one organism eats another.
Food chain
The trophic level that eats primary consumers.
Secondary Consumers
Organisms that are autotrophs which means they make their own food.
Producer
All the organisms in a given area and the abiotic factors with which they interact.
Ecosystem
The trophic level that eats the producers
Primary consumers
Organisms that do not have the ability to make their own food, heterotrophs, so they depend on other organisms to get the energy they need to survive.
Consumer
Organisms of the same group or species.
population
Any organism that is not hunted by any other.
Apex Predator
Organisms that eat plants are ...
herbivores
The type of factor that relates to things in the environment that are not living.
Example: Temperature
Abiotic factors
A bear is an example of this trophic level.
Tertiary consumer/ apex predator
An organism that obtains nutrition from detritus.
Detritivore