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Change over time in Evolotion

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Change over time in Evolotion

1


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						3		4
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6


					7

Across:

2.	__________ is a historical sequence of life indicated by fossils.
3.	the most specific group of the seven levels of classification
5.	Fossils are usually formed when a dead organism is covered by a layer of this.
6.	A characteristic that helps an organism survive in it's environment
7.	Scientists estimate that the _____ is 4.6 million years old

Down:

1.	the remnant of a once-useful anatomical structure.
2.	Solidified remains of organisms that once lived.
4.	because of this, scientists think all living things share a common ancestor.

© 2015 PuzzleFast.com, Noncommercial Use Only

Change over time in Evolotion

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F

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3

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6

A

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A

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7

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H

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U

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S

Across:

2.	__________ is a historical sequence of life indicated by fossils.
3.	the most specific group of the seven levels of classification
5.	Fossils are usually formed when a dead organism is covered by a layer of this.
6.	A characteristic that helps an organism survive in it's environment
7.	Scientists estimate that the _____ is 4.6 million years old

Down:

1.	the remnant of a once-useful anatomical structure.
2.	Solidified remains of organisms that once lived.
4.	because of this, scientists think all living things share a common ancestor.

© 2015 PuzzleFast.com, Noncommercial Use Only