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5A ch4 Vocabulary
Term | Definition |
---|---|
photosynthesis | the process by which plants make food |
cellular respiration | the process by which cells release the energy in food to carry on life processes |
palisade layer | the layer of cells in a leaf where most photosynthesis occurs |
epidermis | the outer layers of cells of a leaf |
embryo | the tiny plant inside a seed |
tropism | a plant's response to a stimulus |
phototropism | a plant's response to light |
gravitropism | a plant's response to gravity |
fertilization | the joining of a male reproductive cell with a female reproductive cell |
stamen | male part |
pistil | female part |
ovary | the portion of a flower, at the base of the pistil, that contains the eggs |
cotyledons | the structures where food is stored in a seed |
germinate | the sprouting of a seed |
seedling | the stage when a germinated seed begins growing and making its own food |
grafting | a form of artificial reproduction that can produce desirable characteristics in woody plants |
tissue culture | process that grows plants artificially |
vegetative propagation | a form of asexual reproduction; without seeds |