PDOL REVIEW 7

What is a dichotomous key used for in science?

• To organize biomes
• Classify organisms
• Identify bacteria only
• None of these

Tool used by a scientist to identify an unknown organism is a:

• dichotomous key

• binomial nmenclature

• scientific name

• binomial key

What are adaptations?

• traits that help an organism to survive and reproduce
• traits that help an organism hide
• traits that help an organism to seek protection
• traits that help an organism to see.

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

In the aquatic biome, fish have ___ for taking in oxygen and fins for movement.

• spines

• blubber

• gills

• fur

Tags

NGSS.MS-LS2-3

A black bear hibernates during the winter months.

• Behavioral Adaptation
• Structural Adaptation

What is the purpose of xylem in plants?

• to transport water through out the plant
• to remove water through out the plant
• to generate water through out the plant
• to give off more water through out the plant

Tags

NGSS.MS-LS2-3

An example of a behavioral adaptation is

• The long neck of a giraffe
• Penguins huddling together for warmth
• A camel's hump used to store water
• A polar bear's white fur used for camouflage

If a fishes gills are small, what might this say about the oxygen in the water?

• The water has no oxygen

• The water must have a high concentration of oxygen.

• The water must have a low concentration of oxygen

• The water is clear and cold

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

What adaptation makes the most sense for living in a cold snowy area?

• gills

• colorful wings

• white fur

• striped skin

Tags

NGSS.MS-LS4-4

A lion has pointed teeth to help it tear meat off of the bone.

• Behavioral Adaptation
• Structural Adaptation