Pretest

Question 1

Which was Charles Darwin’s contribution to the study of biology?

Revolt · Accepted Answer

C: He proposed that natural selection is the primary mechanism of evolution.

Question 2

Which statement describes natural selection ?

Revolt · Accepted Answer

A: It is the primary mechanism for evolution.

Question 3

In the African savanna, more wildebeests are born than the environment can support. Which is most likely to happen over a period of years as a result?

Revolt · Accepted Answer

C: Individuals that are well suited to the environment reproduce, and those that are not well suited die before they reproduce.

Question 4

What is natural selection ?

Revolt · Accepted Answer

B: a process that selects variations that help with survival and that spreads the variations to more offspring

Question 5

Natural selection is a process by which organisms that are better adapted to their environment tend to

Revolt · Accepted Answer

C: survive.

Question 6

Which statement would least likely be used to describe variation?

Revolt · Accepted Answer

D: Variations that decrease reproductive success are more likely to be passed on.

Question 7

According to the concept of “survival of the fittest," if a population of birds eats worms that they find deep under ground by using their beaks, which members of the bird population would be more fit ?

Revolt · Accepted Answer

A: birds that have longer beaks

Question 8

Populations of organisms that exhibit a high degree of variation have a greater chance for survival than populations of organisms that show little variation. This statement is

Revolt · Accepted Answer

C: always true.

Question 9

During a trip to the Galapagos Islands, which observation led Charles Darwin to suspect that organisms change over time?

Revolt · Accepted Answer

A: Island finches resembled mainland finches, but were not the same species.

Question 10

In terms of natural selection, what is the best description of an organism that is fit?

Revolt · Accepted Answer

D: The organism is better able to survive and pass on traits to offspring than competing organisms.

Pretest Answers

More from this Course

TRY EDGENUITY HACKS