Parasitic Wasps | National Geographic

How do plants signal for help when aphids are attacking them?

• They change the color of their leaves.

• They release a special chemical mist.

• They grow thorns to protect themselves.

• They make a buzzing sound.

What does a black wasp do to an aphid to stop it from harming plants?

• It eats the aphid whole.

• It lays a single egg inside the aphid's body.

• It sprays the aphid with water.

• It builds a web to catch the aphid.

What happens to the aphid after the wasp lays an egg inside it?

• The aphid becomes a new wasp.

• The aphid gets stronger and healthier.

• The wasp egg grows inside the aphid, causing it to die slowly.

• The aphid helps the wasp find more food.

How does a young wasp leave the aphid's body?

• It makes the aphid fly away.

• It eats the aphid from the inside out and then emerges.

• It waits for the aphid to shed its skin.

• It turns the aphid into a cocoon.