Chapter 7-8

Question 1

Adaptation

Answer 1

A characteristic that improves individual’s ability to survive and reproduce in a particular environment.

Question 2

Evolution

Answer 2

The process in which inherited characteristics within a population change over generations such that new species sometimes arise.

Question 3

Fossils

Answer 3

The trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock.

Question 4

Fossil Record

Answer 4

A historical sequence of life indicated by fossils found in layers of the Earth’s crust.

Question 5

Trait

Answer 5

A genetically determined characteristics.

Question 6

Selective Breeding

Answer 6

The human practice of breeding animals or plants that have certain desired traits.

Question 7

Natural Selection

Answer 7

The process by which individuals that are better adapted to their environment survive and reproduce more successfully than less well adapted individuals do.

Question 8

Generation Time

Answer 8

Generation the period between the birth of one generation and the birth of the next generation.

Question 9

Speciation

Answer 9

The formation of new species as a result of evaluation.

Question 10

Species

Answer 10

A group of organisms that are closely related and can make to produce fertile offspring.

Question 11

Relative Dating

Answer 11

Any method of determining wether an event or object or younger than other events or objects.