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School

Northeastern University *

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Course

8420

Subject

Biology

Date

Jan 9, 2024

Type

jpeg

Pages

1

Uploaded by SuperHumanTeam13917

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In a section of the Grand Canyon, scientists have found the fossil remains of several different groups of organisms. The diagram below represents the number and age of the fossils the scientists found. The width of each shaded area in the diagram below indicates the relative number of fossils found. Foesll Record Group B l Group C I Ovoup D The scientists have recently been studying the fossil remains of . afifth group of organisms (group E). Two theories h . Proposed about the relationship of Group E to the . Broups. The family trees below re present the Family trees show the relation organisms over time, ave been other two theories. ship between different groups of
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