Structures and Function Unit Review

Seals that live in the icy regions of the Arctic have adaptations to help them survive. Which adaptation helps keep them warm in cold water?

• 
  Flippers with long claws

• Mouth full of sharp teeth

• 
  Narrow head with large eyes

• Thick layer of fat called blubber

Which environment will give Anna's pet the best chance of survival?

• soil

• tree

• water

• rock

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Purple saxifrage is a type of flower that grows in Alaska and other very cold environments near the North Pole.

Purple saxifrage flowers have traits that make them grow low to the ground, have wooden branches, and grow in bunches. How does the function of these traits help the flower live in cold environments?

• They help the flowers stay cold.

• They help the flowers stay warm.

• They help the flowers attract bees.

• They help the flowers eat food.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS4-4

The long, thin needles of the pine tree help it survive in habitats without much sun or rain because this kind of leaf —

• stays attached to the tree all year

• does not lose much water

• can't collect a lot of sunlight

• has a pointed tip on the end

Tags

NGSS.MS-LS2-1

Anteaters eat mostly ants and termites that live in tall mounds made of dirt. Which part of an anteater’s body is most useful in getting food?

• Short, stubby ears

• Stiff, straw-like hair

• A thick, powerful tail

• A long, sticky tongue

Some plants, such as a cactus, are covered with sharp spines. How do these structures help the cactus survive?

• They protect the cactus from animals that eat it.

• They let the cactus get water from the ground.

• They allow food to pass into the cactus stem.

• They provide shade and shelter for the cactus.

Tags

NGSS.MS-LS4-4

Which animal’s foot is best adapted for catching and holding prey?

• 
• 
• 
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Select all of the traits the snow leopard has that help it survive in its environment

• Thick fur to maintain body temperature

• Whiskers to sense the environment around them

• Sharp teeth to tear apart their food

• Hollow bones to keep it light

Tags

NGSS.MS-LS4-4

A bear has which of the following adaptations?

• estivation

• hibernation

• "playing possum"

• mimicry

Tags

NGSS.MS-LS4-4