Term
what are the four parts of a leaf and what's their function? |
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Definition
1. somata: opening for gas exchange and transpiration (co2 enters, o2 and h2o exit) 2. Guard cells: open and close somata 3. Palisade lair: contain chloroplasts 4. Spongy layer: cells are spread apart for co2 diffusion |
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Term
What are the names of the female and male parts of a flower? |
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Definition
Female - pistil Male - stamen |
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Term
what are the 4 parts of the pistil? |
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Definition
1. stigma - 2. stile 3. ovary 4. ovule |
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Term
What are the two parts of the stamen? |
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Definition
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Term
What is the function of the pistil? |
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Definition
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Term
What is the function of the stamen |
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Definition
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Term
how do vascular plants transport nutrients? |
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Definition
through the vessels that they have. Also used a little bit of diffusion and osmosis. |
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Term
How do nonvascular plants transport nutrients? |
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Definition
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Term
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Definition
the movement of molecules from higher to lower concentrations |
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Term
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Definition
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Term
what is the function of roots? (3) |
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Definition
1. to absorb water and dissolve minerals from soil. 2. support and anchor 3. store a surplus of food. |
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Term
what is the function of leaves? |
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Definition
to capture sunlight and absorb co2 to make sugar by photosynthesis |
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Term
what is the function of stems? (3) |
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Definition
1. to support the plant body 2. to transport materials between root and the shoots 3. to store materials |
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Term
What is the chemical equation for photosynthesis? |
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Definition
6 co2 + 6 h2o = c6h12o6+6o2 |
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Term
what is the difference between positive tropisms and negative tropisms? |
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Definition
positive tropisms involve growth TOWARD the stimulus, while negative tropisms involve growth AWAY from the stiumulus |
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