Bees spread pollen for plants to reproduce. What is this process called?
pollination
100
to make more of the same kind?
reproduce
100
Tell how a root helps a plant.
-helps the plant stay planted in the soil
-brings in water and nutrients from the soil
100
What does a bee do to a flower?
Pollinate it
200
Why do roots grow down?
Roots respond to gravity. Gravity pulls the root down.
200
When a seed starts to grow into a new plant, what is it doing?
germinating it
200
To begin to grow?
germinate
200
What structures help keep a cactus from losing too much water?
thick, waxy stems
200
Some plants make cones. Other plants make flowers. What is the purpose of flowers and cones?
they make seeds so that the plant can reproduce
300
Where does photosynthesis take place in the plant?
leaf
300
What is a young plant called?
seedling
300
a gas that is absorbed by most plants?
carbon-dioxide
300
Where in a plant would you find tubes that move water and nutrients from the roots to the leaves?
Stem
300
How are seeds spread from the flowers and cones?
wind and animals
400
Which part of the plant move water from the roots to the leaves?
stem
400
If you walked through a field and picked up burrs (seeds) on your sock and you took your sock off and dropped some of the burrs. What did you do by dropping the burrs?
you helped to scatter the seeds
400
any material needed by living things for energy, growth, and repair
nutrient
400
Plants need water, air, food, and space to live and grow. Tell how leaves help it meet these needs.
Food: leaves use air, water, and energy from sunlight to make sugar or food for the plant.
400
Flowers and cones produce what to reproduce?
seeds
500
What structures help keep a cactus from losing too much water?
thick, waxy stems
500
What is the purpose of flowers and cones?
They make seeds so that the plant can reproduce
500
a gas that is in the air?
oxygen
500
Plants need water, air, food, and space to live and grow. Tell how roots help it meet these needs.
Roots: water enters a plant through the roots. Water is moved from the roots to the leaves by the stem.
500
How are flowers and cones important to plant reproduction?
-flowers and cones produce seeds to have plant reproduction