evolution ch14

Question 1

definition for evolution

Answer 1

the way that species change over long periods of time

Question 2

who created the theory of evolution

Answer 2

charles darwin

Question 3

what is darwins theory known as

Answer 3

evolution by natural selection

Question 4

define natural selection

Answer 4

the process whereby organisms that are better adapted to their environment tend to survive and produce more offspring

Question 5

variation

Answer 5

the differences between the individuals in the species

Question 6

inheritable characteristics

Answer 6

are controlled by genes and can be passed directly from parents to offspring

Question 7

explain how natural selection works (4 points)

Answer 7

1. variation exists in population
2. not all individuals survive very long.
3. some variations are better at survival then others
4. those that survive long enough reproduce and pass on their traits

Question 8

adaptation

Answer 8

a characteristic that improves the chances of the organism surviving and reproducing

Question 9

biodiversity

Answer 9

the variety of animal and plant species

Question 10

the niche

Answer 10

consists of a species habitat, the ay it feeds and how it interacts with its environment and other organisms living in it