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Module 15 vocab bio
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| Question | Answer |
|---|---|
| Physiology | The study of life processes in an organism |
| Nastic movement | A plant’s response to 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 attracted 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 | Chemical that circulate throughout multicellular organisms, regulation cellular processes by interacting with specifically targeted cells |
| Phototropism | A growth response to light |
| Gravitropism | A response to gravity |
| Thigmotropism | A growth response to touch |
| Perfect flowers | Flowers with both stamens and carpels |
| Imperfect flowers | Flowers with either stamens or carpels, but nor both |
| Pollination | The transfer of pollen grains from the anther to 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 nutrients source Fruit |