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16 questions
Leaves have different _________, ___________, and ____________ which make their job easier.
shapes, colors,sizes
colors, sizes, width
Why does a pine tree have pointy needles?
to stick animals or humans with
to keep it from losing too much water
to make it easier for animals to digest
Most plants have flat leaves to...
help them catch sunlight
allow raindrops to slides easily off it
help spread seeds
What is the blade?
a central vein on the blade from which smaller veins grow
attaches the leaf to the plant
the flat part of the leaf
provide support for the leaf and transport or carry nutrients
What is the stalk?
the flat part of the leaf
attaches the leaf to the plant
a central vein on the blade
provides support for the leaf
What is the midrib?
attaches the leaf to the plant
a central vein on the blade from which smaller veins grow
provide support for the leaf and transport or carry nutrients and water
the flat part of the leaf
What color are stems and leaves?
What color is chlorophyll?
Chlorophyll helps plant grow by using ____________ energy to make food for the plant.
fan's
sunlight's
air's
windmill's
What are the products for photosynthesis to occur?
water, light energy and carbon dioxide
sugar, water, oxygen
water and carbon dioxide
carbon dioxide, oxygen and sunlight
What goes out into the air during photosynthesis?
carbon dioxide
air
oxygen
How do plants use food?
to grow bigger, make seeds and store food
to grow smaller, make seeds and store food
to make carbon dioxide and store food
Name the part of the leaf labeled number 1.
blade
midrib
veins
stalk
Name the part of the leaf labeled number 2.
stalk
midrib
veins
blade
Name the part of the leaf labeled number 3.
midrib
blade
stalk
veins
Name the part of the leaf labeled number 4.
blade
midrib
stalk
veins
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