chapter 26

Question 1

monophyletic

Answer 1

forms a clade, meaning that it consists of an
ancestral species and all its descendants

Question 2

paraphyletic

Answer 2

a clade from which one or more subsidiary
clades (monophyletic groups) is excluded to form a separate
group

Question 3

polyphyletic

Answer 3

unrelated taxa descended from more than one
ancestor

Question 4

group of species that includes
an ancestral species and all of its
descendants

Answer 4

clade

Question 5

phylogeny

Answer 5

the evolutionary history of a species or group of related species the “ tree of life”

Question 6

Homology

Answer 6

s a similarity in structures due to shared ancestry

Question 7

analogy

Answer 7

analogy is a similarity in structure due to a shared function example flight in birds vs bats

Question 8

clade

Answer 8

a group of species that includes an ancestral species and all of its descendants

Question 9

the evolutionary history of a species or group of related species is depicted by

Answer 9

a phylogeny

Question 10

analogy

Answer 10

similarity due to convergent evolution