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Definition
| the study of life processes in an organism |
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| a plant's response to a stimulus such that the direction of the respone is preprogrammed and not dependent of the direction of the stimulus |
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| spaces in the soil that determine how much water and air the soil can hold |
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| a mixture of gravel, sand, silt, clay, and organic matter |
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Definition
| the phenomenon that occurs when individual molecules are so strongly attracted to each other that they tend to stay together, even when exposed to tesion |
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Definition
| the process by which organic substances move through the phloem of a plant |
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Definition
| chemicals that circulate throughout multicellular organisms, regulating cellular processes by interacting with specifically targeted cells |
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Definition
| a growth response to light |
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Definition
| a growth response to gravity |
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Definition
| a growth response to touch |
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Definition
| the transfer of pollen grains from the anther to the carpel in flowering plants |
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Definition
| a fertilization process that requires two sperm to fuse with two other cells |
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Definition
| an ovule with a protective coating, encasing a mature plant embyro and a nutrient source |
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Definition
| a mature ovary that contains a seed or seeds |
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