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18 Cards in this Set
- Front
- Back
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Homeostasis |
The ability of the internal systems of an organism to maintain normal balance, despite external conditions |
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Glucose |
A molecule in the photosynthesis equation that represents food energy...sugar. |
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Gravity |
The force that exists between any two objects that have mass |
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Nonflammable |
Not going to burn |
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Where does light energy get converted to chemical energy? |
In plants during the process of photosynthesis |
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What causes a seedling to push its way through the soil? |
water pressure (turgor) |
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Are plant roots growing down a response to an internal or external stimulus? |
External |
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What is the safest way to begin a lab using unknown powders? |
See if they dissolve |
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How many different elements are in this ethanol formula CH3CH2OH |
3 |
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The growth pattern of a tree is most likely caused by- |
Light |
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Why does a plant wilt? |
It does not get enough water |
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Sunlight provides what kind of energy to drive the process of photosynthesis? |
Solar or radiant energy |
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Work = Force x Distance |
How to solve for work |
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the three elements that make up an organic compound are- |
Carbon + hydrogen, oxygen, nitrogen, or sulfer |
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Ex of synthetic |
carbon, oxygen, sulfur, nitrogen |
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An internal stimulus is a reaction to something inside of an organism. If you are not getting enough oxygen... (for example, running a race) how might your body respond? |
Increase breathing rate |
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Can WORK happen if no movement (or motion) has taken place? |
No, you must have force and distance to have work |
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If a plant is stored in a closet with no light, how can it survive for a couple of days? |
Using stored energy or stored sugars |
