Ch. 4--1
Photosynthesis uses sunlight to make food from water and (carbon monoxide, oxygen, carbon dioxide, or sodium bicarbonate).
carbon dioxide
In the gametophyte stage, a fertilized egg grows into a (spore, gametophyte, sporophyte, sperm).
sporophyte
What could happen if a plant's phloem does not work properly?
a. Photosynthesis will not take place.
b. The plant might be short of water.
c. The plant might be short of food.
d. The plant will not be able to dissolve minerals.
c. The plant might be short of food.
Which of the following ( phloem, xylem, flowers, leaves) takes water and minerals from the roots to the shoots?
xylem
In seed plants, sperm form inside of . . .
pollen
What are some similarities shared by green algae and plants?
1. They make their own food.
2. Store energy as starch.
3. Have a two-stage life cycle.
What three parts make up a seed?
1. young plant
2. stored food
3. seed coat
During photosynthesis, plants make food from carbon dioxide and . . .
water
The two stages of a plant life cycle are . . .
gametophyte and sporophyte
How do nonvascular plants get water?
a. from the environment or nearby cells
b. from their roots or vascular tisse
c. from the environment or xylem
d. from taproots or nearby cells
a. from the environment or nearby cells
A full-grown tree is an example of a . . .
a. cotyledon
b. leaf
c. gametophyte
d. sporophyte
sporophyte
One function of a stem is to . . .
a. develop eggs
b. feed insects
c. capture energy
d. transport food
transport food
Unlike seed plants, seed plants . . .
a. have gametophytes that form with the reproductive structures the sporophyte.
b. live in only a few parts of the world.
c. protect their young.
d. need water to help the sperm and egg meet.
a. have gametophytes that form with the reproductive structures the sporophyte.
root system with one main root
taproot
underground stem from which new leaves and roots grow
rhizome
type of rigid stem found in trees
woody stem
structure that surrounds the cell membrane and supports the plant cell
cell wall
flowering plant that produces seeds inside a fruit
angiosperm
rootlike structure that holds nonvascular plants in place
rhizoid
the largest group of gymnosperms
conifer
angiosperm with one cotyledon
monocot
tiny opening in the epidermis of a leaf where carbon dioxide enters
stoma
modified leaf that protects the flower bud
sepal
male reproductive structure of a flower
stamen
A type of vascular plant with seeds but no flowers is a(n) . . .
gymnosperm