Chapter 4 Vocabulary Flashcards Preview

8th Grade Science > Chapter 4 Vocabulary > Flashcards

Flashcards in Chapter 4 Vocabulary Deck (9)
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1

Adaptation

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

2

Species

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

3

Fossil

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

4

Fossil Record

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

5

Trait

A form of a genetically determined characteristic.

6

Selective Breeding

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

7

Natural Selection

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

8

Generation Time

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

9

Speciation

The formation of new species as a result of change over time.