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Define and Put These Terms in Order from Smallest to Largest

question 6

Essay

Define and put these terms in order from smallest to largest (in size): organ, tissue, cell, organ system.


Definitions:

Punctuated Equilibrium

A hypothesis that new organisms or new characteristics of an existing organism appear rather suddenly in geologic terms instead of evolving gradually.

Fossil Record

The totality of fossilized plants and animals found in the earth's crust, providing evidence of past life forms.

Evolution

The observed changes in the fossil record or in living organisms; also used to refer to theories that help explain the observed changes.

Observed Changes

Variations or alterations that have been directly seen or measured in a particular system or environment.

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