Biology, 27.10.2020 09:30 witerose2974

Pls help i’m failing so ill give a brainiest n give likes from my other accs !!! 13) A polar bear swims in the ocean and grabs a fish to eat. Which one of the following is true of the polar
bcar?

A) The polar bear is a carnivore that is a predator of fish.
B) The polar bear is an herbivore that is a predator of fish.
C) The polar bear is an herbivore that is prey to fish.
D) The polar bear is a carnivore that is prey to fish.

16) how would an increase in predators likely affect a given prey population ?
A) The growth rate would decrease.
B) The growth rate would increase
C) birth rates would exceed death rates
D) The population would remain unchanged

19) Which one of the following statements best defines the role of a scavenger in the environment?

A) A scavenger gets energy by eating the dead organisms it finds.
B) A scavenger gets energy by breaking down organic wastes.
C) A scavenger gets energy by absorbing sunlight and producing glucose.
D) A scavenger gets energy by hunting and killing its prey.

20) Which one of the following roles is most similar to the role of a scavenger in an ecosystem?

A) Decomposer
B) Producer
C) Parasite
D) Herbivore

21) A vulture swoops down and grabs a dead mouse that it later eats. What is the vulture's ecological niche in
this situation?

A) Predator
B) Decomposer
C) Producer
D) None of the above

22) A type of relationship in which two species live in close association for long periods is known as

A) competition
B) symbiosis.
C) opportunism.
D) cohabitation

Answers: 2

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