Darwins Key Points

Question 0

fact two

Answer 0

Most populations are normally stable in size except for seasonal fluctuations

Question 1

Fact one

Answer 1

All species have such great potential fertilitythat their population size would increase exponentially if all individuals that are born reproduce successfully

Question 2

Three

Answer 2

Natural resources are limited

Question 3

inference one

Answer 3

Production of more individuals in the environment can support leads to struggle for existence among individuals of the population with only a fraction of Offspring surviving each generation

Question 4

Four

Answer 4

Individuals of the population very extensively in their characteristics meaning no two individuals are exactly alike

Question 5

Five

Answer 5

Much of this variation is heritable

Question 6

inference two

Answer 6

Survival in the struggle for existence is not random but depends in part on the heredity constitution the surviving individuals. those individuals whose inherited characteristics fit them best to their environment are likely to leave more offspring than less fit individuals

Question 7

Inference three

Answer 7

This unequal ability of individuals to survive and reproduce will lead to a gradual change in a population with favorable characteristics accumulating over the generations

Question 8

This change in a population over the generations is

Answer 8

Evolution