6.2 Population Changes Vocabulary

Question 1

Changes that occur in genes

Accepted Answer

mutations

Question 2

A scientific theory that explains how species change over time as a result of genetic mutations and natural selection

Accepted Answer

theory of evolution by natural selection

Question 3

Similar structures among different specie

Accepted Answer

homologous structures

Question 4

Species generally produce a larger number of off spring than is necessary to prevent them from becoming extinct

Accepted Answer

overproduction

Question 5

Species from the fossil record that show characteristics ‘between’ ancient and modern organisms

Accepted Answer

transitional species

Question 6

Genetic differences within a species

Accepted Answer

variation

Question 7

Organisms that are able to compete more successfully for resources reproduce and pass on their traits

Accepted Answer

natural selection

Question 8

_______ is an interaction between organisms or species in which both the organisms or species are harmed.

Accepted Answer

competition

Question 9

Characteristics that enhance an organism’s chances of survival and reproduction

Accepted Answer

adaptation

Question 10

These include how organisms move, respond to danger, find nutrients and reproduce

Accepted Answer

behavioral adaptation

Questions 10