Chap 13 Flashcards
1
Q
Fitness
A
An animals ability to survive and reproduce.
2
Q
Common Descent
A
The idea that each species has descended from other species over time.
3
Q
Fitness arises through a process called…?
A
Adaptation
4
Q
Radioactive dating is also called…?
A
Absolute dating.
5
Q
Relative dating
A
A technique used to determine the age of fossils relative to other fossils in different layers of rock.
6
Q
Homologous structures?
A
Structures that meet different needs but develop from the same body part.
7
Q
Vestigial organ.
A
Organs that are always useless.
8
Q
Most fossils are found in…?
A
Sedimentary rock.
9
Q
Speciation
A
The process where new species evolve from a common ancestor.
10
Q
Evolution
A
The process by which modern organisms have descended from ancient organisms
