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Module #15
Vocabulary for Module #15: Kingdom Plantae: Physiology and Reproduction
Question | Answer |
---|---|
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 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 | Chemicals that circulate throughout multicellular organisms, regulating cellular processes by interacting with specifically targeted cells |
Phototropism | A growth response to light |
Gravitropism | A growth 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 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 |