Plants & Plant Adaptations

How do plants use the energy of the sunlight?

• to join carbon dioxide and water together to make sugars

• to join water and oxygen together to make sugars

• to break apart sugars

• to keep sugars warm but not change them

Which type of plant leaf loses the least amount of water?

• Grass

• Wide leaves

• Heart-shaped leaves

• Needles

Which organisms are primary producers?

• Deer and bees

• Trees and flowers

• Birds and butterflies

• Fish and insects

What function is served by plant structures such as stinging hairs, thorns, and briars?

• Pollination

• Photosynthesis

• Protection

• Disease prevention

Pine needles are covered by a thick coat of wax. What benefit does the wax coating provide?

• The wax helps needles take in gas from the air.

• The wax helps needles take in water droplets.

• The wax helps keep water inside the needles.

• The wax provides food for the needle during the winter.

Buster is a bloodhound dog with a very keen sense of smell. Is this trait acquired or inherited?

• Acquired, because he learned it from other dogs.

• Inherited, because he was born with it.

• Acquired, because he developed it over time.

• Inherited, because he got it from his environment.

What does Buster do when he smells a skunk?

• He follows the scent.

• He runs in the opposite direction.

• He ignores the smell.

• He barks loudly.

What activity does Buster enjoy after being in the water?

• He takes a nap.

• He shakes and rolls around on the grass.

• He goes for a run.

• He digs a hole.

Where does Buster curl up after a long day?

• In his doghouse.

• In the corner for a nap.

• Under a tree.

• On the porch.

Why might Buster's keen sense of smell be important for him?

• It helps him find food.

• It makes him look cute.

• It helps him sleep better.

• It allows him to bark loudly.