Relationships Among Organisms

Question 1

Identify the interaction described. One species benefits and the other species is neither harmed nor helped.

Revolt · Accepted Answer

B: commensalism

Question 2

Identify the key term described. The relationship that results when organisms in an environment rely on each other for resources

Revolt · Accepted Answer

B: interdependence

Question 3

Identify the interaction used to describe each type of interdependence among organisms. The red-billed oxpecker (a bird) eats ticks off the fur of an impala (a type of antelope). The oxpecker receives food and removes the ticks from the impala.

Revolt · Accepted Answer

C: mutualism

Question 4

Identify the interaction used to describe each type of interdependence among organisms. Having too many fish in a pond can limit the amount of food and space available.

Revolt · Accepted Answer

B: competition

Question 5

How are species introduced to new ecosystems? Check all that apply.

Revolt · Accepted Answer

A: carried in on cargo crates; B: transported in or on ships; D: hidden inside produce or meat; E: carried on clothing or in luggage; F: intentionally introduced by humans

Question 6

Identify the interaction described below. One organism benefits while the other is killed.

Revolt · Accepted Answer

B: predation

Question 7

Both species benefit.

Revolt · Accepted Answer

C: mutualism

Question 8

A change in one species that results from a change in another species with which it interacts

Revolt · Accepted Answer

A: coevolution

Question 9

Titan triggerfish move large rocks in the ocean to find food. In return, smaller fish are able to eat because the moved rocks expose food. The titan triggerfish are not affected.

Revolt · Accepted Answer

B: commensalism

Question 10

The cheetah population depends on the gazelle population for food.

Revolt · Accepted Answer

A: predation

Relationships Among Organisms Answers

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