Animal Behaviors for Reproduction Quiz 1

Which of these characteristics helps the milkweed plant to reproduce?

• The plant is commonly found growing along roadsides.

• The plant produces a bitter-tasting sap.

• The plant produces a sweet nectar that attracts insects.

• The plant can regenerate itself from a small piece of root material.

Which structure would be directly involved in plant reproduction?

• fruit

• leaf

• petal

• root

Why does the plant need to attract hummingbirds?

• Hummingbirds help the flowers survive by providing defense against flower-eating insects.

• Hummingbirds help the flowers grow by eating the nectar to make space for pollen.

• Hummingbirds help the flowers reproduce by transferring pollen from one flower to another.

• Hummingbirds help the flowers bloom by removing the nectar.

Which three facts in the list are adaptations that increase a dandelion's reproductive success?

• A dandelion plant grows to a height between 8-12 inches.

• A dandelion seed is attached to a piece of white fluff, which is easily caught in the wind and moved to a new location.

• A rosette with many green leaves forms early around a young dandelion to prevent other plants from growing nearby due to the rosette's shade. This limits competition for resources.

• Dandelions are rich in nutrients, and many different types of insects, birds, and mammals such as rabbits eat dandelions including the yellow blossoms.

• If the entire dandelion plant is cut or eaten at the surface, the plant can regrow from its underground taproot.

What is the most likely reason for the male crabs' behavior?

• It is essential for the red crabs to reproduce.

• It helps the red crabs increase the amounts of available food.

• It is essential for the red crabs to move to a new island.

• It helps the red crabs escape the flooding of the forest floor.

Which structure of the plant helps it reproduce asexually?

• root

• runner

• leaf

Which flower(s) is (are) capable of producing new plants without the help of a second plant?

• Flower A and C

• Flower B and C

• Flowers C only

• Flowers B only