Name _________________________________ Date ___________ Hour_______ Table ____
Wonderful World of Plants
Across:
1. The cellular organelles found in plants that are used in photosynthesis are called
_____________.
2. Flowering plants are known scientifically as ________________.
3. In the alternation of generations the spore producing plant is called the ___________.
4. When the walls of the ovary thicken around seeds ___________ is produced.
5. Pollen is made in the part of the stamen called the ___________.
Down:
1. The triploid nucleus in the megaspore divides to produce ___________, which
provides the plant embryo in the seed with food.
2. ___________ is when a seed begins to grow.
3. Plants get their greenish color from the photosynthetic pigment called ___________.
4. The ___________ is the middle part of the pistil.
5. Since they have just one set of chromosomes, gametophytes are said to be
___________.
Name _________________________________ Date ___________ Hour_______ Table ____
Answer the questions below while watching the video.
1. A haploid plant that produces sex cells or gametes is called the plant’s __________________
generation.
2. The egg nucleus of a seed plant develops inside the ______________________.
3. The tube nucleus creates a ______________________ from the stigma to ovule.
4.
______________________ are leaves that surround a flower’s bud.
5. New plants can develop from “cuttings” of branches. This is an example of ________________
reproduction because the new plant will be genetically identical to its parent.
6. True or False? Plants need the greenhouse gas carbon dioxide to survive.
7. True or False? Pollen is produced in a flower’s stigma.
8. True or False? Endosperm is composed of triploid cells.
9. True or False? Flowering plants are called angiosperms.
10. True or False? There are more divisions of the plant kingdom than there are phyla of the animal
kingdom.
11. Why are plants an important foundation for many ecosystems?
A.
B.
C.
D.
Plants have deep roots that trap water in ponds and rivers
Plants make an ecosystem green so that lizards and amphibians can hide
Plants provide food and shelter needed to support a variety of animal life.
Plants provide fertilizer that mice and rabbits need to grow.
12. Plants can produce their own food by photosynthesis. What term do we use to describe an
organism that can produce its own food?
A.
B.
C.
D.
Autotrophic
Multitrophic
Homotrophic
Heterotrophic
13. Which of the following does a plant need to make glucose?
A.
B.
C.
D.
Only water and sunlight
Only oxygen and sunlight
Only carbon dioxide and sunlight
Water, carbon dioxide and sunlight
Name _________________________________ Date ___________ Hour_______ Table ____
14. Plants are classified by their method of reproduction. Which group is characterized by flowering
plants?
A.
B.
C.
D.
Mosses
Angiosperms
Pteridosperm
Gymnosperms
15. Plants such as liverwort, horsetail and ferns belong to divisions that make spores. Which of the
following concerning fern reproduction is true?
A.
B.
C.
D.
Ferns have only a haploid generation that produces spores by mitosis
Ferns have a sporophyte and a gametrophyte generation that produce new fern spores.
Ferns have diploid generation that produces gametes that fuse to form zygotes.
Ferns alternate between diploid and haploid generations in a process called alternation of
generations.
16. The egg of a flowering plant is produced within the ovary. The diploid cells of the ovules produce
____________.
A.
B.
C.
D.
One diploid spore cell that will survive.
One haploid megaspore cell that will survive
Four diploid megaspore cells that will all survive
Four haploid megaspore cells that will all survive
17. Which of the following plant parts is responsible for producing pollen in the flower?
A.
B.
C.
D.
Pistil
Anther
Stigma
Stamen
18. What part of the plant develops into the fruit?
A.
B.
C.
D.
The ovary
The ovule
The petals
The pollen
19. In the process of forming a seed, a sperm nucleus fuses with two nuclei of the egg to form what
will develop into the food source for the new plant. What is this food source called?
A.
B.
C.
D.
The fruit
The embryo
The monocot
The endosperm