Ch 11

Question 0

Segments of DNA that determine charecteristics in an organism

Answer 0

Genes

Question 1

Change over time

Answer 1

Evolution

Question 2

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

Answer 2

Homologous structures

Question 3

A trait that increases an organisms ability to survive and reproduce

Answer 3

Adaptation

Question 4

A well supported and widely accepted explanation of nature

Answer 4

Scientific theory

Question 5

A specific charecteristics that an organism can pass to its offspring

Answer 5

Trait

Question 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

Answer 6

Natural selection

Question 7

Any difference between idividual of the same species is called a

Answer 7

Variation

Question 8

The number of different species in an area is called

Answer 8

Biodiversity

Question 9

When all the members of a species disappear from earth

Answer 9

Extinction

Question 10

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

Answer 10

Endangered species

Question 11

Species that could become extinct in the new future are called

Answer 11

Threatened species