Evolution Basics

All alleles appear equally in a population, no matter what the environmental pressures

• True

• False

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Why is it good for a species to have a high amount of variation (lots of different alleles)?

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What determines which alleles help an individual survive in natural selection?

• The human doing the breeding

• The dominant allele

• All alleles help survival

• The environmental pressures

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Charles Darwin developed a theory to explain evolution . This is known as the theory of...

• Gravity

• Relativity

• Evolution by Natural Selection

• Evolution by Acquired characteristics

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The theory of Evolution by Natural Selection explains how the organisms _________ over time and they may become different species.

• stay the same

• never change

• change

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____________ Structures – are organs or parts that seem to have no function, they are remnants

• Anatomical

• Fake

• Tue

• Vestigial

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Very important evidence of evolution is

(check all that apply)

• Fossils

• Vestigial structures

• DNA

• Stories

• Books

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Evolution is the _________ theory of biology, because it brings together all the fields related with living organisms.

• unifying

• diversifying

• unique

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Evolution explains the _____ of life, and why we are alike but also unique.

• paths

• theories

• diversity

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Darwin traveled to the _____ Islands aboard ship HMS Beagle.

• Hawaiian

• Caribbean

• Galapagos