Science Book B chpts 4&5 Test Mod
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- What do you call the process in which organisms break down food to release energy?
- Respiration
- Where does almost 90% of the oxygen in our atmosphere come from?
- Photosynthesis
- What do you call the process in which plants use energy from light to produce food?
- Photosynthesis
- Most of the water in plants is lost through the....
- Stomata
- Where does water enter the plant?
- Roots
- Put the following labels on the flower picture
- ovary petal pistil sepal stamen
- What two things does photosynthesis do for you?
- It gives you food to eat. It gives oxygen for us to breathe. It gives us seeds to plant
- Why are some flowers brightly colored and good smelling?
- to attract insects and other animals to pollinate them
- Why are spores important to seedless plants?
- They do not have seeds for reproduction
- How are gymnosperms different from angiosperms?
- Angiosperm seeds are protected by fruit and gymnosperm seeds are not.
- What are some ways that seeds can be spread?
- water, wind, animals, insects, gravity
- Why do the flowers of wheat and other grasses not have bright colors or strong odors?
- They use the wind instead of insects and other animals to spread the pollen.
- When your mother buys green bananas why does she put them in a sack?
- The sack that the bananas are in will hold in the ethylene gas in and make the bananas ripe.
- What is the male part of the flower?
- Stamen
- What is the female part of the plant?
- Pistil