Chapter 11 multiple choice

Question 1

The process of biological evolution:
A. is not supported by scientific evidence
B. results in a change in the features of individuals in a population
C. takes place over the course of generations
D. B and C are correct t
E. A,B,C are correct

Answer 1

D. B and C are correct

Question 2

In science, a theory is a(n):
A. educated guess
B. inference based on a lack scientific evidence
C. Idea with little experiment
D. body of scientifically acceptable general principles
E. statement of fact

Answer 2

D. body of scientifically acceptable general principles

Question 3

The theory of common descent states that all modern organisms
A. can change in response to environmental change
B. descend from one of many ancestors that originally arose on earth
C. Descend from a single common ancestor
D. have not evolved
E. can be arranged in a hierarchy from “least evolved” to “most evolved”.

Answer 3

C. Descend from a single common ancestor

Question 4

The DNA sequence for the same gene found in several species of mammals
A. is identical among all species
B. is equally different between all Paris of mammal species
C. is more similar between closely related species than between distantly related species
D. provides evidence for the hypothesis of common descent
E. more than one that is above

Answer 4

E. More than one that is above

Question 5

Marsupail mammals give birth to young that complete their development in a pouch on the mother';s abdomen. All the native mammals of Australia are marsupials, while these types of mammals are absent or uncommon on other continents,. This observation is an example of 
A. developmental evidence for evolution 
B. biogeographic evidence for evolution
C. genetic evidence for evolution 
D. fossil evidence for evolution 
E. Not useful evidence for evolution

Answer 5

B. biogeographic evidence for evolution

Question 6

Even though marsupial mammals give birth to live young an eggshell forms briefly early in their development. This is evidence that
A. marsupials share a common ancestor with some egg-laying species
B. marsupials are not really mammals
C. all animals arose from a common ancestor
D. marsupial mammals were separately created by God
E. the fossil record of marsupial mammals is incorrect

Answer 6

A. marsupials share a common ancestor with some egg-laying species

Question 7

A species of crayfish that lives in caves produces eyestalks like its above-ground relatives, but has no eyes. Eyestalks in cave-dwelling crayfish are thus
A. an evolutionary error
B. a dominant mutation
C. biogeographical evidence of evolution
D. a vestigial trait
E. evidence that evolutionary theory may be incorrect

Answer 7

D. a vestigial trait

Question 8

Which of the following taxonomic levels contains organisms that share the most recent common ancestor? 
A. family 
B. order 
C. phylum 
D. genus 
E. class

Answer 8

D. genus

Question 9

What observations did Darwin make on the Galapagos islands that helped convince him that evolution occurs?
A. the existence of animals that did not fit into Linnaeus’s classification system
B. the similarities and differences among cacti and tortoises on the different islands
C. the presence of species he had seen on other tropical islands far from the Galapagos
D. the radioactive age of the rocks of the islands
E. fossils of human ancestors

Answer 9

B. the similarities and differences among cacti and tortoises on the different islands