Unit 7, Topic 1

Question 1

study of the geographic distribution of living things and the abiotic factors that affect their distribution

Answer 1

Biogeography

Question 2

process of gradual change during which new species arise from older species and some species become extinct

Answer 2

Evolution

Question 3

change in populations over generations

Answer 3

Descent with
modification

Question 4

reproduction of individuals with favorable genetic traits that survive environmental change because of those traits, leading to evolutionary change

Answer 4

Natural selection

Question 5

ability to survive and reproduce

Answer 5

Fitness

Question 6

a negative interaction that occurs among organisms whenever two or more organisms require the same limited resource

Answer 6

Competition

Question 7

living things within an ecosystem

Answer 7

Biotic factors

Question 8

non-living things within an ecosystem

Answer 8

abiotic factors

Question 9

True or false: natural selection acts on genotypes

Answer 9

false

Question 10

True or false: organisms can adapt to their environments
if they try to

Answer 10

false

Question 11

If an organism has a more favorable
trait, then it will be more likely to (blank) and (blank).

Answer 11

survive, reproduce

Question 12

Natural selection only does what is best for the species.
Do you agree with this statement? Why or why not?

Answer 12

No, because it does not account for the needs of the species.

Question 13

Evolutionary fitness is measured by
(blank) success.

Answer 13

reproductive

Question 14

Why is evolution a theory?

Answer 14

It is a thoroughly tested and verified explanation for natural observations

A scientific theory is different than how we use theory in everyday life

Question 15

How is our general understanding of the phrase “survival
of the fittest” misleading?

Answer 15

Natural selection is not about physical powess, but about adaptations