10.3

Question 1

The position an organism is in a food web (primary, secondary, etc.)

Answer 1

Trophic Levels

Question 2

Self-feeding

Answer 2

Autotroph

Question 3

Consumers

Answer 3

Heterotroph

Question 4

Only consume plants/producers

Answer 4

Herbivore

Question 5

Consumes both producers and other animals

Answer 5

Omnivore

Question 6

Consumes other animals

Answer 6

Carnivore

Question 7

Consumes dead material

Answer 7

Detritivore

Question 8

Has a huge impact on a ecosystem, keeping the diversity in it as well.

Answer 8

Keystone species

Question 9

Non-native species that usually out-compete the others because lack of predators.

Answer 9

Invasive species

Question 10

Difference between food webs and trophic cascades

Answer 10

Cascades will show the effects of the organisms on each other, direct or indirect.

Question 11

Similarity between food webs and cascades

Answer 11

Can show what the other consumes directly

Question 12

Effects of otters on urchins: direct or indirect- negative or positive

Answer 12

Direct, negative

sea otters consume sea urchins

Question 13

Effect of urchins on kelp:
direct or indirect- negative or positive

Answer 13

Direct, negative

urchins eat kelp

Question 14

Effect of otters on kelp:
direct or indirect- negative or positive

Answer 14

Indirect, positive

changes of otters are mirroed by the kelp