3.3 Flashcards
Producers
make own energy
Primary Consumers
Animals that eat producers
Secondary Consumers
Animals that eat Primary Consumers
Tertiary Consumers
Animals that eat Secondary Consumers
Quaternary Consumers
Animals that eat Tertiary Consumers
Autotrophs
Plants
Heterotrophs
All Consumers
What are herbivores and at what level do you find them?
Animals that eat plants and primary.
What are omnivores and at what level do you find them?
Animals that eat plants and meat; both primary and above.
What are carnivores and at what level do you find them?
Animals that eat meat; secondary+
What is a detritivore?
An animal that eats dead animals.
Keystone species.
Important regulation effect on other species.
In a tropic Cascade, what does a solid arrow mean?
It has a direct effect.
In a tropic Cascade, what does a dashed arrow mean?
It has an indirect effect.
In a tropic Cascade, what does the minus sign mean?
The effects are negative.
In a tropic Cascade, what does the plus sign mean?
The effect is positive.
Make a food web. Rabbits eat carrots fox eat rabbits.
Carrot (Producer) –>Rabbit (Primary; Herbivore) –>Fox (Secondary; Carnivore)
Make a trophic cascade. Rabbits eat carrots fox eat rabbits.
Fox -> Rabbit -> Carrot
(-) (-)
- - - - - - - - ^
(+)
What is the difference between a food web and a trophic cascade?
Besides their names, the tropic cascade shows the indirect effect of an organism. The arrows go the opposite direction in the tropic cascade than the food web.
Rabbits eat carrots fox eat rabbits. Using your trophic cascade from the previous question, what will happen if foxes decrease?
Bunnies will increase because they will have no predators. Carrots will decrease because they are more money.