10.3

Question 1

direct effect, negative, positive, and indirect effect

Answer 1

strong arrow, minus, plus, dashed arrow

Question 2

three trophic levels

Answer 2

producers, primary consumers, Secondary consumers

Question 3

where do you find herbivores

Answer 3

first level

Question 4

where do you find omnivores

Answer 4

1 and higher

Question 5

where do you find carnivores

Answer 5

2 or above

Question 6

influential ecological role

Answer 6

keystone species

Question 7

non native species

Answer 7

invasive species