Chapter 22.2 .3

Question 0

Natural selection

Answer 0

Individuals with certain traits have more offspring than those without that trait.

Question 1

Adaptions

Answer 1

Characteristics that enhance or harm the chance of survival

Question 2

Artificial selection

Answer 2

Artificial selection is selection controlled by humans, humans select which organisms breed.

Question 3

Observation # 1

Answer 3

Members of a population often vary greatly in their traits.

Question 4

Observation #2

Answer 4

Traits are inherited from parent to child.

Question 5

Observation #3

Answer 5

All species are capable of producing more offspring than their environment can support.

Question 6

Observation #4

Answer 6

Owing to lack of food or other resources, many of these offspring do not survive.

Question 7

Inference #1

Answer 7

Individuals whose inherited traits give them a higher probability of surviving and reproducing in a given environment tend to leave more offspring than other individuals

Question 8

Inference #2

Answer 8

This unequal ability of individuals to survive and reproduce will lead to the accumulation of favorable traits in the population over generations.

Question 9

Over time, natural selection….

Answer 9

Can increase the match between organisms and their environment

Question 10

If an environment changes, or if individuals move to a new environment…

Answer 10

Natural selection may result in adaptation to these new conditions, sometimes giving rise to new species in the process.