10.3 Study Guide

Question 1

What are the common tropic levels?

Answer 1

Tertiary
secondary
primary
producer

Question 2

What are the symbols meanings on a topic cascade?

Answer 2

solid arrow- direct affect
minus sign- negative affect
dashed arrow- indirect affect
plus sign- positive affect

Question 3

What is a direct affect?

Answer 3

When a species affects a specific thing

Question 4

What is a indirect affect?

Answer 4

the affect on tropic levels that a species does not interact with.

Question 5

What is a keystone species?

Answer 5

Influential ecological role, increases diversity in habitat.

Question 6

What is a invasive species?

Answer 6

Non native species, out competes native species. exponential growth

Question 7

Arctic tundra tropic cascade.

Answer 7

• • +
    Fox->Seabird->Soil Nutrient-> Grass
    |———————–^
    -

Question 8

Arctic tundra food chain.

Answer 8

Fox

Seabird

Grass

Question 9

What is a herbivore?

Answer 9

plant only eater

Question 10

What is a omnivore?

Answer 10

Plant and meat eater

Question 11

What is a carnivore?

Answer 11

meat eater only

Question 12

What is a Detritivore?