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Plant Parts Notes
Basic Parts of a plant
•
Roots
•
Stem
•
Leaves
•
Flower
•
Fruit
•
Seed
Roots
•
Anchor and support plants
•
Absorb and conduct water and minerals
•
Store products of photosynthesis
•
Winter survival of perennials
(carbohydrates, sugars, proteins)
Stem
• Framework for leaves, flowers and seeds
• Continuation of vascular system carrying water and minerals from the soil, and sugars
manufactured in leaves throughout the plant.
• Green stems also manufacture food
(photosynthesis).
• Food storage
Leaves
• To compete for light for photosynthesis, i.e., the manufacture of sugars
• Evapotranspiration from the leaves is what moves water and nutrients up from the roots.
• Small openings on the leaf, known as stomata, regulate moisture and gas exchange (water and
carbon dioxide) and temperature (cooling effect as water vapor escapes through stomata).
Flower
•
Reproduction, beginning with pollination and fertilization.
•
Advertisement and rewards to lure a pollinator.
Fruit
•
Reproduction
Seed
•
Propagation