Structures and Functions of Plants

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Respiration
When cells use oxygen to break down sugars in plants during photosynthesis.
Transpiration
The loss of water through a plant's leaves
Tropism
A plants response to water, gravity, light and touch. Helps plants get what they need by changing its pattern of growth in response to a stimuli.
Phototropism
When a plant responds to light by growing towards the light source.
Photosynthesis
process by which plants use the sun's energy to convert water and carbon dioxide into sugars and oxygen.
Roots
Absorb water and nutrients.
Stem
Supports the plant and transports material.
Leaves
Makes most of the food for the plant. Site of photosynthesis.
Stomata
Tiny openings in leaves where gases enter and exit during photosynthesis.
Seed
Grows into a young plant.
Seed coat
protects the new plant.
Conifer
Grow cones to protect their seeds.
Stimulus
Something in the environment that causes a living thing to respond.
Response
a reaction to a stimulus
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