Flower, Fruit, and Seed
Design for Reproduction
Fertilization
Design for Beauty
Review
100

We enjoy flowers for...

What is their beauty and fragrance?

100

This holds one or more developed seeds...

What is the ovary?

100

Dustlike yellow grains are called...

What is pollen?

100

These help to attract bees to the flower.

What are petals?

100

A plant's response to light is called...

What is PHOTOTROPISM?

200

True or False:

More than half of all kinds of plants in the world would not be able to reproduce if seeds weren't formed in the flowers.

What is TRUE?

200

The long tube in the middle of the flower...

What is the pistil?

200

The transfer of pollen from a stamen to the pistil is called what?

What is pollination?

200

These are located beneath the petals.

What are sepals?

200

A plant's response to touch is called...

What is THIGMOtropism?

300

Anything that forms from the ovary of a flower is called...

What is a FRUIT?

300

Which part of the flower is usually positioned in a ring around the pistil...

What are the stamens?

300

The flat tip pf the pistil is called what?

What is the stigma?

300

Colorful leaves that attract insects to the flower are called...

What are bracts?

300

A plant's response to water is called...

What is HYDROtropism?

400
Name the flower of the tree that has very tiny petals and white bracts.

What is the Dogwood?

400

Name the two cells that are required for the fertilization process to occur.

What are the sperm and egg cells?

400

Bees, flies, wasps, and butterflies most commonly pollinate, but what other creatures also contribute as a pollinator?

What are birds and bats?

400

Name the flower that has bracts and no petals and is seen at Christmastime.

What is the poinsettia?

400

A plant's response to gravity is called...

What is GEOtropism?

500

What is the sweet liquid stored in the bottom of a bloom?

What is NECTAR?

500

When the outer casing on the pollen grain cracks open a special begins to lengthen. What does this cell form?

What is the pollen tube?

500

Name the 4 steps in the fertilization process...

1. pollen grains are produced by the stamen

2. pollen lands on the stigma

3. the pollen tube grows

4. the pollen tube reaches the ovule

500

What encloses and protects the developing flower?

What is the bud?

500

Define TROPISM...

What is the growth of a plant in response to a condition in its environment?

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