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Flashcards in Ch 11 Deck (12):
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Change over time

Evolution

1

Segments of DNA that determine charecteristics in an organism

Genes

2

Similar structures that related species have inherited from a common ancestor are known as

Homologous structures

3

A trait that increases an organisms ability to survive and reproduce

Adaptation

4

A well supported and widely accepted explanation of nature

Scientific theory

5

A specific charecteristics that an organism can pass to its offspring

Trait

6

The process by which individuals that are better adapted to their environment are more likely to survive and reproduce than other members if the species

Natural selection

7

Any difference between idividual of the same species is called a

Variation

8

The number of different species in an area is called

Biodiversity

9

When all the members of a species disappear from earth

Extinction

10

Species in danger of becoming extinct in the near future are called

Endangered species

11

Species that could become extinct in the new future are called

Threatened species