darwin

Question 1

Natural Selection

Answer 1

Organisms with traits better suited to their environment survive and reproduce more often (This causes traits to change over time).

Question 2

Adaptation

Answer 2

A trait that helps a population survive (Giraffe’s long neck).

Question 3

Population

Answer 3

A group organisms of the same species living in a particular area at the same time

Question 4

Overproduction of offspring

Answer 4

Organisms produce more offspring than need to sustain the population.

Question 5

Genetic Variation

Answer 5

Organisms have different genes and traits.

Question 6

Struggle To Survive

Answer 6

Starvation, disease, and predators all make it a struggle for organisms to survive.

Question 7

Successful reproduction

Answer 7

The best adapted to their environment are likely to have many offspring that survive.

Question 8

Insecticide Resistance

Answer 8

Insecticides/pesticides kill most insects. The survivors have genes that make them resistant. The survivors then reproduce and pass on their insecticide-resistant genes. When the same insecticide is used, only a few are killed.

Question 9

Selective Breeding

Answer 9

The process by which humans breed other animals and plants for particular traits (also called artificial selection).

Question 10

evolution

Answer 10

the change in the genetics of a species over time

Question 11

mutation

Answer 11

the process in which DNA changes results in new alleles