What Plant Structures are Used for Reproduction?

When a male plant structure and a female plant structure combine, it is called

• circulation

• fertilization

• pollination

• sprouting

The (a)   is the male part of the flower.

Pine, fir, and spruce trees do not have flower wit pistils and stamens, so they reproduce using

• seeds that float on water

• spores and petals

• seeds that have tiny hooks

• male cones and female cones

What do seeds and spores have in common?

• They both are used by mosses to reproduce.

• They both are only transported by the wind.

• They both can eventually grow into new plants.

• They both grow on conifers before reproduction.

What causes these dandelion seeds to spread?

(a)  

Why is it important for seeds to scatter?

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 female parts 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.

A flower's ___________attract insects so that the plant can be fertilized.

• ovaries

• pistils

• stamens

• petals

The seeds of a plant forms in its

• stamen.

• ovary.

• pistil.

• petal.

A fruit forms around a seed to

• protect it.

• fertilize it.

• supply food.

• provide nutrients.