Plants that contain tubes for the transport of water and food are...
vascular
100
Why is the stem important to the plant?
It carries water to the leaves.
100
Tubes that transport food are
phloem
100
Tubes that transport water are
xylem
100
Plants that do not have xylem and phloem are...
nonvascular
200
All plants have a green pigment called
chlorophyll
200
Plants will produce either seeds or _______.
spores
200
Conifers, or _________, will grow into a new plant when conditions are favorable.
gymnosperms
200
Praire Smoke grows on the prairie where there is very little rain. Praire Smoke has adapted to its environment by growing fuzz that helps keep _________________ in the plant.
water
200
Tell how the spines on an octopus tree help the plant's leaves keep the water they need.
The spines protect the leaves from animals that try to eat them.
300
What are nutrients?
Materials that living things need to live and grow.
300
Why is a flower important?
It makes new seeds that might grow into new plants.
300
What plant part makes new food for the plant?
Leaves
300
Name three ways that seeds travel.
air, water, and the fur or feathers of animals
300
Which plant part protects the seeds?
fruit
400
Where are the seeds of pine trees found?
in the cones
400
The flower of _____ produce protected seeds.
angiosperms
400
Most leaves are thin and flat because...
this helps them make food.
400
Nonvascular plants are limited in size because..
the must pass water and minerals from one cell to another.
400
Name the four main parts of a plant.
root, stem, leaf, flower
500
True or False: All plants have flowers.
False
500
This is a plant with an unprotected seed
gymnosperm
500
Flower structures that contain the male reproductive cells