Author: 008alis

7A-Evidence of Evolution

In:
How does fossil evidence gives us clues to how organisms from the past are related to organisms from today? ____________________________________________________________________________________________________________________________________________________________________________________

Evolution
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Fossils

Description:
Similarities of __________ in the fossil record reflects that organisms have a common ancestor.
_______________ in bone structure of specific species shows _____________ over time.
Fossil record has revealed links between large groups of organisms such as from _________ to __________ and reptile to __________.

Theory
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Fossil Record shows:
Relative ____________ of a species
How species found in the ________________ layers are very different from what is in the _______ layer
Species today are more ______________ (cell structure, DNA)
That when new species _____________, others become ____________
____________________ evolution in species over time
_________ in the timeline and is not ___________________________.

Out:
Describe how evidence of common ancestry is provided by fossil evidence. Use the terms: evolution, evidence, fossils, similarities, common ancestor, & theory.

7A-Evidence of Evolution

Biogeography

Description:
the study of _________________________ isolation and ___________________________ drift.

In:
Why are some species only found in some parts of the world and not others? ____________________________________________________________________________________________________________________________________________________________________________________

Species
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Speciation
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How does one species become two species?

Diversity
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Out:
Describe how evidence of common ancestry is provided by biogeography. Use the terms: common ancestor, species, speciation, diversity, geographic isolation, continental drift.

Geographic Isolation
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