Ecology Of Species Interactions 2

Question 1

Which term describes a relationship where one species benefits and the other is neither helped nor harmed?

Accepted Answer

Commensalism

Answer

Commensalism is defined as a +/0 interaction where one organism benefits and the other experiences no significant effect.

Question 2

The fig tree and fig wasp relationship is a classic example of:

Accepted Answer

Obligate mutualism

Answer

Fig trees and fig wasps are obligate mutualists because neither can reproduce without the other.

Question 3

A lion killing and consuming a zebra is an example of which interaction type?

Accepted Answer

Predation

Answer

Predation involves one organism (predator) killing and consuming another (prey), as seen with lions and zebras.

Question 4

In amensalism, the interaction outcome for the two species is best described as:

Accepted Answer

0/-

Answer

Amensalism is a 0/- relationship where one species is harmed while the other is unaffected.

Question 5

Which of the following best illustrates resource partitioning among competing species?

Accepted Answer

Two hawk species hunting at different times of day

Answer

Resource partitioning reduces competition by dividing resources along niche axes, such as different feeding times.

Ecology Practice Test