3.3 Trophic Levels Flashcards
(8 cards)
What are keystone species?
The most influential in the ecosystem, without them the whole things would temporarily collapse.
What’s the difference between autotrophs and heterotrophs?
Autotrophs- produce their own food
Heterotrophs- use others for food
What is a food web?
The visual example of what organisms eat what organisms.
What is a Trophic Cascade?
The visual representation of the effects of an organism onto another.
Define detritivore.
An animal which eats dead organic material
What are producers?
Producer- produces the food
If there are an even amount of negative effects, then the indirect will be ___. If there are an odd amount of negative effects, then the indirect will be _____.
positive, negative
What is the difference between , primary, secondary, tertiary, and quaternary consumers
Primary- eats producers
Secondary- eats primary
Tertiary- eats secondary
Quaternary- eats tertiary
