Question 1

The first vertebrates appear in the fossil record during the

Accepted Answer

A) Pleistocene. 
B) Paleozoic. 
C) Paleocene. 
D) Mesozoic. 
E) Cenozoic

Question 2

Structural similarities shared by species that are acquired by descent from a common ancestor are

Accepted Answer

A) analogies. 
B) homologies. 
C) acquired. 
D) uncommon. 
E) uninformative of evolutionary relationships.

Question 3

Continental drift

Accepted Answer

A) had no real impact on the evolutionary history of vertebrates. 
B) never occurred. 
C) is the movement of the continents on the Earth's surface. 
D) ceased to occur several million years ago. 
E) occurs only in the Old World.

Question 4

Sexual dimorphism refers to the different mating patterns in various species.

Accepted Answer

A) True 
 B)False

Question 5

The presumed evolutionary link between theropod dinosaurs and birds is based on

Accepted Answer

A) island dwarfing phenomenon. 
B) general analogous characteristics. 
C) a few shared ancestral characteristics. 
D) derived (modified)characteristics such as the presence of feathers in both lineages. 
E) evidence of hybridization between the two.

Question 6

Define macroevolution, and explain its processes using vertebrate and mammalian evolution as the core of your explanation and provide another example not included in the textbook.

Accepted Answer

The answer of Define macroevolution, and explain its processes using...

Question 7

Explain the complexity of the definition of species. Include a discussion of the process of speciation and define the biological species concepts.

Accepted Answer

The answer of Explain the complexity of the definition of...

Question 8

Contrast ancestral traits with derived traits.

Accepted Answer

The answer of Contrast ancestral traits with derived traits....

Question 9

Explain the relatively rapid success of mammals during the late Mesozoic and early Cenozoic.

Accepted Answer

The answer of Explain the relatively rapid success of mammals...

Question 10

Define analogous and homologous traits and provide an example of each.

Accepted Answer

The answer of Define analogous and homologous traits and provide...

Exam 5: Macroevolution: Processes of Vertebrate and Mammalian Evolution