3.3 Food Web and Trophic Cascades Flashcards
What is a producer?
An animal that makes its own food.
What is a primary consumer?
An animal that eats the producers.
What is a secondary consumer?
An animal that eats the primary consumers.
What is a tertiary consumer?
An animal that eats the secondary consumers.
What are autotrophs?
Producers.
What are heterotrophs?
All levels above producers.
What is a herbivore?
An animal that only eats plants.
What is a carnivore?
An animal that only eats meat.
What is an omnivore?
An animal that eats plants and meat.
What is a detritivore?
An animal that eats detritus.
What does a solid line mean in a Trophic Cascade diagram?
It means the effect between the animals is direct.
What does a dotted line mean in a Trophic Cascade diagram?
It means the effect between the animals is indirect.
What does a plus sign mean in a Trophic Cascade diagram?
It means the effect between the animals is positive.
What does a minus sign mean in a Trophic Cascade diagram?
It means the effect between the animals is negative.
What is a keystone species?
A species that the community it lives in would collapse without.
