Theory of natural selection ( note 1 )

Question 1

Observation 1

Answer 1

all species have a huge potential fertility

Question 2

observation 2

Answer 2

except for seasonal fluctuations, populations tend to maintain a stable size

Question 3

observation 3

Answer 3

Environmental resources are limited

Question 4

inference 1

struggle for existence how? environment?

Answer 4

The production of more individuals than the environment
can support leads to a "struggle for existence," with only a
fraction of offspring surviving in each generation.

Question 5

Observation 4:

Answer 5

No two individuals in a population are exactly alike.

Question 6

Observation 5:

Answer 6

Much of the observed variation in a population is
heritable.

Question 7

inference 2

hereditary makeup and survival

Answer 7

survival in the struggle of existence is not random, but depends, in a part on the hereditary makeup of the survivors, Those individuals to inherit charactersitics

The struggle for the survival of existence depends on a part on the hereditary makeup of the survivors, Those individuals to inherit charactersitics

Question 8

inference 3

Answer 8

Unequal reproduction between suited and unsuited
organisms will eventually cause a gradual increase with in a population with favourable characteristics to that particular environment