study

Question 1

Three Sisters” (Indigenous Agriculture)

Answer 1

1 Corn provides tall stalk for beans to climb
2 Beans fix nitrogen in the soil
3 Squash spreads out, blocks weeds, and keeps soil moist

Question 2

Extinction

Answer 2

= all members of a species die out

Question 3

how many major extinction events where there

Answer 3

5

Question 4

Variation

Answer 4

Differences within a species

Question 5

Inherited

Answer 5

Passed down from parent

Question 6

Selective Pressure

Answer 6

Any cause that changes an organism’s ability to survive

Question 7

Selected For

Answer 7

Traits that help survival are passed on

Question 8

Consequences of Artificial Selection

Answer 8

Positive: Desired traits, better yields, disease resistance.

Negative: Health issues (dogs), reduced genetic diversity.

Question 9

Differences Between Natural and Artificial Selection

Answer 9

Natural Selection
Happens naturally
Based on survival and reproduction
Takes many generations

artificial selection
Can happen faster with breeding
Based on desired traits
Done by humans

Question 10

Artificial Selection

Answer 10

Humans select traits to modify, improve, or breed species.