Natural Selection-

Match the following terms with their definitions.

• physical characteristic or feature

• heritable

• change in an organism over time

• trait

• can be passed from parent to offspring

• evolution

• trait that makes survival easier

• variation

• difference in a trait

• adaptation

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-2

Examples of traits are...

(Choose all that apply.)

• eye color

• skin color

• neck length

• amount of rainfall in an area

Tags

NGSS.MS-LS4-4

What is an example of variation in traits? (Choose all that apply.)

• giraffes with different neck lengths

• zebras with identical stripe patterns

• dalmatian puppies with different spot patterns

• birds with identical beak shapes

Tags

NGSS.MS-LS4-4

Which molecule contains instructions to make an organism?

• glucose

• DNA

• lipid

• protein

Tags

NGSS.MS-LS3-1

What is the cause of a variation (difference) in the traits of an organism?

• The organism wants or needs a trait to change.

• A random mutation occurs in the DNA.

• The environment causes a trait to change.

• A predator causes a trait to change in its prey.

Tags

NGSS.MS-LS3-1

A mutation can be passed on to offspring only if it occurs in a sperm or egg cell.

• True

• False

Tags

NGSS.MS-LS3-1

What are the variations in these two populations of mice?

• body size

• food preference

• fur color

• whisker length

Tags

NGSS.MS-LS4-4

NGSS.MS-LS3-1

Which variation is more advantageous in the mouse's environment?

• light fur color

• dark fur color

• long whiskers

• short whiskers

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-2

Why are there more dark-colored mice than light-colored mice in the last panel?

• Those with longer whiskers were better adapted to the environment.

• The dark ones preferred to eat berries.

• The dark ones lived long enough to reproduce.

• The light ones lived long enough to reproduce.

Tags

NGSS.MS-LS4-4

NGSS.MS-LS2-4

Match the following terms with their definitions.

• example of variation in giraffes

• neck length

• creating offspring from sperm and egg

• speciation

• creation of a new species

• selecting agent

• factor in nature that controls survival

• extinction

• dying off of a species

• sexual reproduction

Tags

NGSS.MS-LS4-4

NGSS.MS-LS3-2