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Variations and Fossil Formation

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Variations and Fossil Formation

						1	2
																					3
						4

															5				6
													7
												8



				9						10								11
															12

			13

									14

15


														16

Across:

1.	era we live in
4.	survival of the fittest
6.	fossilized animal similar to a tiger
8.	studied variations in finches
9.	living on

12.	amounts of time in an era
14.	a change
15.	age of a rock compared to another rock
16.	living thing imprint in rock

Down:

2.	units of time in millions of years
3.	kill disease-causing bacteria
5.	each layer of rock is older than the one above it
7.	time for an element to be cut in half

10.	age of fossil in years
11.	birds Darwin studied
13.	a difference

© 2012 PuzzleFast.com, Noncommercial Use Only

Variations and Fossil Formation

1

C

2

E

N

O

Z

O

I

C

R

3

A

4

N

A

T

U

R

A

L

S

E

L

E

C

T

I

O

N

S

T

5

L

6

S

M

I

L

O

D

O

N

7

H

A

B

8

D

A

R

W

I

N

I

L

O

O

F

F

T

L

S

I

9

S

U

R

V

I

V

10

A

L

I

U

11

F

C

B

F

12

P

E

R

I

O

D

S

S

E

E

N

13

V

O

R

C

A

L

P

H

R

14

M

U

T

A

T

I

O

N

E

I

T

S

S

15

R

E

L

A

T

I

V

E

A

G

E

I

T

A

T

I

G

I

O

E

16

F

O

S

S

I

L

N

N

Across:

1.	era we live in
4.	survival of the fittest
6.	fossilized animal similar to a tiger
8.	studied variations in finches
9.	living on

12.	amounts of time in an era
14.	a change
15.	age of a rock compared to another rock
16.	living thing imprint in rock

Down:

2.	units of time in millions of years
3.	kill disease-causing bacteria
5.	each layer of rock is older than the one above it
7.	time for an element to be cut in half

10.	age of fossil in years
11.	birds Darwin studied
13.	a difference

© 2012 PuzzleFast.com, Noncommercial Use Only