Biogeography and Natural Selection

What is is the study of how and why plants and animals live where they do?

• Evolution

• Adaptive Radiation

• Biogeography

• Biogeology

A scientist puts 100 houseflies in a sealed container; then sprays an insecticide into the container.  Ninety-six of the flies die.  Four survive.  The scientist lets the survivors mate and produce offspring, then repeats the experiment with 100 offspring.  Fifty-six of them survive the spray.  This experimental result is evidence of – 

• adaptive radiation 
• speciation
• natural selection
• extinction

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Which statement does not accurately describe natural selection?

• Individual organisms change their genes to adapt to their environment
• The genetic composition of a population changes from one generation to the next
• More advantageous traits become more common in population
• Beneficial and useful traits are inheritable

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Survival of the Fittest and Evolution were proposed by what scientist?

• Steven Hawking
• Albert Einstein
• Charles Darwin
• Isaac Newton

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Why are advantageous traits more likely to be passed onto offspring?

• Because they are more likely to survive and reproduce.
• Because they come from dominant alleles.
• Because they come from recessive alleles.
• Because the trait is an acquired phenotype.

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All primates have the following features EXCEPT:

• large brains

• arms that rotate at the shoulders

• grasping hands

• bipedalism

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The ability to walk upright on two legs is called:

• bipedalism

• quadropedalism

• bicyclepedalism

• tripedalism

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Modern humans and their closest relatives (gorilla, chimpanzee, and organgutan) belong to the same family. Members of this family are called:

• hominids

• primates

• homo sapiens

• Lucy

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Which hominid species is most closely related to Homo sapiens?

• Homo habilis

• Australopithecus afarensis

• Homo neanderthalensis

• Homo heidelbergensis

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This helps primates to find ripe fruits and more nutritious leaves.

• grasping hands

• slow growth

• large brain

• color vision

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