Science Plant & Animal Unit Review

Plants need ________ for photosynthesis

• oxygen

• soil

• carbon dioxide

• sugar

Plants produce (make) what TWO things during photosynthesis?

• water

• carbon dioxide

• oxygen

• sugar

What structure in the leaves absorbs sunlight for photosynthesis?

• roots

• water

• vascular system

• chlorophyll

Which statement about photosynthesis is correct?

• Plants get the energy they need for photosynthesis from water.
• Plants get the energy they need for photosynthesis from soil.
• Plants get the energy they need for photosynthesis from sunlight.
• Plants do not require energy to perform photosynthesis.

Which of the following is NOT needed for photosynthesis to occur?

• sunlight

• carbon dioxide

• water

• oxygen

Vascular plants have

• Internal system of tubes

• Veins to carry blood

During the first step in reproduction,

• seeds are created.

• fruit is produced.

• a plant is fertilized.

• flowers begin to grow.

The male structure of a flower is called

• a stamen

• a pollen

• a pistil

• an ovary

Leo observes a bee on a flower as shown in the picture. He then observes the bee fly away and land on another flower. What happens when an insect lands on a flower? Base your claim on evidence from the picture.

• Insects are attracted to the seeds inside the fruit.

• Insects are attracted to the ovary of the flower.

• Some pollen on top of the pistil stick to the insect’s body.

• Some pollen on top of the stamens stick to the insect’s body.

The seeds of a plant forms in its __________. This part of the flower also will develop into a protective fruit after fertilization.

• stamen

• ovary

• pistil

• petal