Unit 7, Topic 1 Flashcards

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1
Q

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

A

Biogeography

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2
Q

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

A

Evolution

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3
Q

change in populations over generations

A

Descent with
modification

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4
Q

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

A

Natural selection

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5
Q

ability to survive and reproduce

A

Fitness

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6
Q

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

A

Competition

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7
Q

living things within an ecosystem

A

Biotic factors

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8
Q

non-living things within an ecosystem

A

abiotic factors

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9
Q

True or false: natural selection acts on genotypes

A

false

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10
Q

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

A

false

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11
Q

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

A

survive, reproduce

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12
Q

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

A

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

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13
Q

Evolutionary fitness is measured by
(blank) success.

A

reproductive

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14
Q

Why is evolution a theory?

A

It is a thoroughly tested and verified explanation for natural observations

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

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15
Q

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

A

Natural selection is not about physical powess, but about adaptations

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