Term
what are guard cells responsible for? |
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Definition
opening and closing stomata |
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Term
what are 2 characteristics of a monocot? |
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Definition
1 cotyledon (seed leaf) veins go in 1 direction |
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Term
what are 2 characteristics of a dicot? |
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Definition
2 cotyledons (seed leafs) veins go in all directions |
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Term
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Definition
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Term
what does light behave as inside chlorophyll? |
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Definition
photons, discrete packets of E |
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Term
what happens to the electrons in chlorophyll as they absorb light? |
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Definition
they go into excited, unstable state |
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Term
what happens when the electrons in chlorophyll go back to ground state? |
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Definition
their E is released as heat |
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Term
what color did the spinach extract turn in UV light? |
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Definition
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Term
where does the majority of the world's O2 come from? |
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Definition
blue/green bacteria in the ocean |
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Term
what is the product of the dark cycle? |
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Definition
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Term
where does the CO2 that drives photosynthesis come from? |
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Definition
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Term
how many RuBP does the Calvin cycle start with? |
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Definition
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Term
what combines with the 3 RuBP to turn into G3P? |
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Definition
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Term
how many G3P are needed to make a molecule of glucose? |
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Definition
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Term
what type of organisms cannot control their internal body temp? |
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Definition
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Term
what type of organisms can control their internal body temp? |
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Definition
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Term
what 3 kinds of organisms are ectotherms? |
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Definition
amphibians, reptiles, fish |
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Term
what 2 kinds of organisms are endotherms? |
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Definition
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Term
do endotherms or ectotherms produce more CO2? |
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Definition
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Term
at what temperature do ectotherms produce more CO2? |
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Definition
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Term
does algae produce more CO2 in the dark or in the light? |
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Definition
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