Evolution

Question 1

Radioactive Dating

Answer 1

Uses of decay in isotopes to measure age of rock.

Question 2

Relative Dating

Answer 2

Method used to determine age of rocks by comparison.

Question 3

Half-Life

Answer 3

Amount of time it takes half of original isotope to decay

Question 4

Epochs

Answer 4

Smallest unit of geological time.

Question 5

Era

Answer 5

Unit of GT. Consists of 2+ periods.

Question 6

Period

Answer 6

Divisions of GT lasting 10’s of millions of years.

Question 7

Artificial Selection

Answer 7

Process of directed breeding to make off spring with desired traits.

Question 8

Natural Selection

Answer 8

Those less equipped to die.

Question 9

Evolution

Answer 9

Change in group or species over time.

Question 10

Spontaneous Gen

Answer 10

Idea that life arose from non-life.

Question 11

Homologous Struct.

Answer 11

Similar structure inherited by common ancestor.

Question 12

Analogous St.

Answer 12

Used for same purpose and similar in structure.

Question 13

Vestigial St.

Answer 13

reduced form of functional structures in other organisms.

Question 14

Fitness

Answer 14

Measures relative contribution an individual trait makes to the next generation.

Question 15

Adaptation

Answer 15

Change made to survive in new habitat.

Question 16

Cladogram

Answer 16

Branching diagram shows evolution of group.