Ch 23. Flashcards
(7 cards)
1
Q
ancestral characters
A
Traits are shared throughout the larger group.
2
Q
shared derived
A
Traits are present only in a smaller group.
3
Q
why only shared derived characters indicate close evolutionary relationship?
A
The more recently they shared a common ancestor and the more closely they are related in evolutionary terms.
4
Q
taxonomic classification system
A
Kingdom.
Phylum.
Class.
Order.
Family.
Genus.
Species
5
Q
clade
A
a group of organisms believed to have evolved from a common ancestor
6
Q
homoplasy
A
the development of organs or other bodily structures within different species, which resemble each other and have the same functions, but did not have a common ancestral origin.
7
Q
A
