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Apologia Bio Mod 15
Definitions for Apologia Biology - Module #15 (2nd Edition)
| Term | Definition |
|---|---|
| physiology | the study of life processes in an organism |
| nastic movement | a plant's response to a stimulus such that the direction of the response is preprogrammed and not dependent of the direction of the stimulus |
| pore spaces | spaces in the soil that determine how much water and air the soil can hold |
| loam | a mixture of gravel, sand, silt, clay, and organic matter |
| cohesion | the phenomenon that occurs when individual molecules are so strongly attached to each other that they tend to stay together, even when exposed to tension |
| translocation | the process by which organic substances move through the phloem of a plant |
| hormones | chemicals that circulate though out muticellular organisms, regulating cellular processes by interacting with specifically targeted cells |
| phototropism | a growth response to light |
| gravitropism | a growth response to gravity |
| thrigmotropism | a growth response to touch |
| perfect flowers | flowers with both stakes and carpels |
| imperfect flowers | flowers with either stamens or carpels, but not both |
| pollination | the transfer of pollen grains from the anther to the carpel in flowering plants |
| double fertilization | a fertilization process that requires two sperm to fuse with two other cells |
| seed | an ovule with a protective coating, encasing a mature plant embryo and a nutrient source |
| fruit | a mature ovary that contains a seed or seeds |
Created by:
SweetPeaMcD
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