Evolution and Cladograms Quiz

Evolution is a change in ______ over time.

• Populations
• Individuals

• Ecosystems

• Species

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What are cladograms used for?

• To show common characteristics between species

• To show how species change every year

• To show fossil types

• To show how species aren't related at all

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Cladograms are branching diagrams that show ______ relationships between organisms.

• Evolutionary
• Vestigial

• Embryonic

• Historical

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Phylogenetic trees

• Always make things the same species

• Always show common ancestors

• Always use morphology

• Alway have the same number of branches

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What do DNA Homologies teach us about evolution?

• How organisms have changed over time

• All organisms share a common ancestor

• How traits are heritable (able to be passed down from parent to offspring)

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___ homologies include amino acid and DNA sequences.

• Molecular
• Embryological

• Anatomical

• Developmental

Stasis in the fossil layers means

• types of fossils show a change in habitat

• there are no fossils found in several layers

• a slow, gradual change in the fossils is visible

• there is no change, the same fossils exist for a long time

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What is stasis in the fossil record?

• Rapid evolution

• Fossilization process

• Unchanged species characteristics

• Fossilized footprints

What is gradualism?

• Slow changes over a long period of time

• Fast changes over a short period of time

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The main difference between gradualism and punctuated evolution is:

• the number of species it affects.

• the type of environment the species live in.

• the amount of time it takes.

• the number of features that are affected.