Plant Structures
Why are a tundra plant's structures different from those of a desert plant?
a. because it needs to store water in its stems
b. because its stilt roots anchor it against the tide
c. because it does not need to store water
d. because its broad leaves get very little sun
c. because it does not need to store water
How do brightly colored petals help a marigold plant reproduce?
a. They warn rabbits not to eat the plant.
b. They warn pollinators not to come near.
c. They help attract pollinators so the plant can produce seeds.
d. They catch more wind that helps transport their seeds.
c. They help attract pollinators so the plant can produce seeds.
What is the tissue that carries water and nutrients from a plant's roots to the stems and leaves?
a. phloem
b. spores
c. xylem
d. chlorophyll
c. xylem
True/False
Plants that do not have roots absorb water directly through their outer layer.
True
What are 2 products of photosynthesis?
a. carbon dioxide and oxygen
b. carbon dioxide and sugar
c. oxygen and water
d. oxygen and sugar
d. oxygen and sugar
Which adaptation might help protect a plant from being eaten?
a. spines
b. colorful petals
c. spores
d. xylem
a. spines
Name two structures that help plants reproduce.
Colorful petals
flowers
Cones
Spores
True/False
All plants have special tissues that transport water, nutrients, and food to all parts of the plants.
False
How do non-vascular plants obtain water.
They obtain water through absorption.
Plants are green because they contain...
a. water
b. chlorophyll
c. oxygen
d. carbon dioxide
b. chlorophyll
What captures energy from the sun and makes leaves green?
Chlorophyll
How can tiny lightweight seeds help a plant reproduce?
The wind can carry them far away so they don't have to compete for water and nutrients.
Plant roots take in ____________ from the soil.
water
Why do nonvascular plants not grow very tall?
They do not grow very tall because they do not have stems because they do not have xylem or phloem.
True/False
Plants rely on other living things for food?
False
Name two structures that help protect a plant.
Tiny leaves
spines/thorns
harmful sap
thick bark
__________ is released as a gas, and sugar is stored in the stems, ________________, and leaves.
Oxygen
roots
Plant leaves absorb energy from the______.
Sun
Green _____________ take in carbon dioxide from the air.
leaves
1. Transports nutrients and water to the leaves
2. takes in carbon dioxide and captures sunlight
3. takes in nutrients and water from the soil.
a. leaves b. roots c. stem
1. c-stem
2. a-leaves
3. b-roots
Plants change carbon dioxide and water into ________________ and oxygen.
sugar