Cows and deer are herbivores. They have structures that help them cover enough ground to find food and water. These structures are called —

• hooves

• paws

• claws

• toenails

Tags

NGSS.4-LS1-1

Many animals are aquatic, such as a platypus and frog. A structure that is beneficial for both of these aquatic animals is —

• down feathers

• long tail

• webbed feet

• scaly skin

Tags

NGSS.MS-LS4-4

Elk and bighorn sheep are grazers. A structural adaptation that helps meet the needs for this type of diet is —

• camouflaged fur

• flat teeth

• webbed feet

• good eyesight

Bactrian camels have special features that

allow them to live in harsh, hot climates. These

camels have long eyelashes and ears lined with

hair. They also have nostrils that they can close

when needed.

Which is most likely the reason camels have these structures? (Choose 2 Answers)

• Protection from hot weather

• Protection from sandstorms

• Protection from rainstorms

• Protection from predators

Tags

NGSS.MS-LS4-4

The kangaroo rat lives in the drier areas of the

western and southwestern United States. It is

very small and has a long tail and large back

legs that allow it to jump up to 2.7 meters. The

picture shows a baby kangaroo rat.

These animals most likely use their back legs to —

• dig burrows

• leap away from predators

• listen for danger

• attract a mate

Students collect data about the arctic fox. They

learn it can change colors from brown to white.

What conclusion can be drawn from the table about the color change?

• Color changes help the fox with camouflage.

• Color changes help the fox find shelter.

• Color changes help the fox stay cooler.

• Color changes help the fox move faster.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

A student uses a hand lens to examine the internal structures of a bean seed. What is the most likely function of the seed coat?

• To develop into a bean plant

• To provide food for the bean plant

• To protect the bean plant

• To attract bees to the bean plant

Four students observe and record information about bird feet. Which student’s explanation is the best reason why geese have webbed feet?

• A. Geese live in muddy areas. Webbed feet keep them from sinking in the mud.

• B. Geese fly south each winter. Webbed feet can be used to steer when flying.

• C. Geese spend most of their time around water. Webbed feet help geese swim.

• D. Geese live in cold areas. Webbed feet keep them from getting stuck in the snow.