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Biology Module 15

Kingdom Plantae: Physiology and Reproduction

TermDefinition
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 on 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 specific targeted cells
Phototropism A growth response to light
Gravotropism 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
DoubleFertilization A fertilization process that requires two sperm to fuse with two other cells
Speed An ovule with a protective coating, encasing a mature plant embryo and a nutrient source
Friuit A mature ovary which contains a seed or seeds
Created by: vernahale
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