Unit 3: Natural Selection Review

Which layers in Site 1 and Site 2 occurred at the same time?

•  A and J

• M and E

• G and M

• H and N

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

What evidence do you have that supports your answer to Activity 1?

• The layer with the same fossils occurs at the same time

• The layers on the the top are the newest

• The two sites follow a similar pattern

• The layers on the bottom are the oldest

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

After a drought in May, the Paraguay River mark will ​ (a)   causing the wildlife survival rate to ​ (b)  

• decrease
• increase
• no change

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The posted rate of speed causes roadkill per mile to​ (a)   over 45 MPH.

• increase
• decrease
• no change

What is natural selection?

• the identification by humans of desirable traits in plants and animals, and the steps taken to enhance and perpetuate those traits in future generations.

• process by which populations of organisms with variations that help them survive in their environments live longer

Tags

NGSS.MS-LS4-4

There are two kinds of Jamaican Croaking Gecko. Gecko A is smaller with few lamellae and Gecko B is the same size with more lamellae. Which of the following is true?

• Gecko A will survive because it has less lamellae than Gecko B.

• Gecko A will survive because it is able to climb more than Gecko B

• Gecko B will survive because it is faster than Gecko A

• Gecko B will survive because it has more lamellae than Gecko A

Tags

NGSS.MS-LS4-4

Which of the following causes an adaptation to develop?

• Forest fire

• tectonic plates shifting

• Breaking temperature for a day

• No rain during a particular month

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS4-4

Two different types of mice live in the forest by LC. One of them is more of a brown/grayish color that blends in with the forest. The other type is white.  The white color of mice is much smaller in numbers as it's more easily targeted by prey.  

What is this an example of?

• Sudden Change

• Gradual Change

• Extinction

• Natural Selection

Tags

NGSS.MS-LS4-4

This graph shows population sizes of pocket mice with light fur and dark fur at four different times. Which TWO statements are true?

• The rocks in the environment must have gotten darker over time. 

• Mice with dark fur were easier to see by the fourth and most recent time. 

• The rocks in the environment have remained light and sandy-colored over the course of time.

• The conditions in the environment are favorable to mice with darker fur. 

• The conditions in the environment are favorable to mice with light fur.  

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS4-4