Section 20.2 (Exam 1)

Question 1

ingroup

Answer 1

group of primary interest

Question 2

closely-related species of or group outside of the group of interest

Answer 2

outgroup

Question 3

Parsimony principle

Answer 3

The simplest explanation of observed data is the preferred explanation

Question 4

study of the shapes and arrangement of parts of organisms, in order to determine their function, their development, and how they may have been shaped by evolution

Answer 4

morphology

Question 5

What can be revealed by similarities in development patterns?

Answer 5

Evolutionary relationships

Question 6

Fossils can help determine when lineages diverged and identifying __________________ traits.

Answer 6

derived and ancestral traits.

Question 7

most widely used data for constructing phylogenetic trees

Answer 7

DNA sequencing

Question 8

Which types of DNA are used for constructing phylogenetic trees?

Answer 8

Nuclear, mitochondrial, and chloroplast DNA