10.3 Food Webs and Trophic Cascades

Question 1

What is an autotroph?

Answer 1

Autotrophs produce their own energy and benefit the consumers

Question 2

What is a heterotroph?

Answer 2

A consumer

Question 3

Herbivore

Answer 3

An animal that eats only plants

Question 4

Carnivore

Answer 4

Eats meat

Question 5

Detritivore

Answer 5

Consumes dead matter

Question 6

Omnivore

Answer 6

A combination of all other classifications

Question 7

What is a keystone species?

Answer 7

A species that the rest of the ecosystem depends on to survive.

Question 8

What is trophic cascade?

Answer 8

The representation of interaction up the food chain in a simplified way that shows upwards movement in the form of the trophic pyramid

Question 9

On a trophic pyramid, the bottom level represents what?

Answer 9

Producers

Question 10

In a food web, what can you see that you cannot on a trophic cascade diagram?

Answer 10

Every little interaction is easier to see on a food web, and it is easy to see where the keystone species are if you connect the dots between webs.