Relationships Among Organisms

Question 1

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

Revolt · Accepted Answer

B: predation

Question 2

An owl catches a mouse and eats it for dinner.

Revolt · Accepted Answer

B: predation

Question 3

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

Revolt · Accepted Answer

B: commensalism

Question 4

Remora sharks attach themselves to whales by way of an adhesive disk on their dorsal surface. They then feed on the scraps from the whale’s meals.

Revolt · Accepted Answer

B: commensalism

Question 5

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 6

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 7

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 8

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 9

Two species need the same resource, which is limited.

Revolt · Accepted Answer

A: competition

Question 10

Both species benefit.

Revolt · Accepted Answer

C: mutualism

Relationships Among Organisms Answers

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