AnswersScience 7 B M12 2526 S2Interactions among Living Things

Interactions among Living Things Answers

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In a desert ecosystem, coyotes and rattlesnakes both eat the same type of mouse as a primary part of their diets. Recently, coyotes have been hunted and killed by people, decreasing the overall coyote population.How will this most likely affect the rattlesnake population over time?

A
It will decrease because coyotes are the prey.
B
It will increase because coyotes are the prey.
C
It will decrease because coyotes are the competition.
D
It will increase because coyotes are the competition.
2
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Which is the best example of predation?

A
Hookworms live in the intestines of dogs and feed on their blood.
B
Barn owls often capture and eat mice that live in fields.
C
A colony of termites protects the eggs laid by a queen termite.
D
Two species of shellfish grow in the same shallow ocean waters.
4

Which statement best compares competition, cooperation, and predation between two organisms?

A
Cooperation is a positive interaction between the two organisms, and predation and competition result in a negative interaction for at least one organism.
B
Cooperation and competition are positive interactions between the two organisms, and predation results in a negative interaction for at least one organism.
C
Cooperation and predation are negative interactions between the two organisms, and competition results in a positive interaction for at least one organism.
D
Cooperation results in a negative interaction for at least one organism, and competition and predation are positive interactions between the two organisms.

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