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Science Ch 2
Plant Structures and Functions
Term | Definition |
---|---|
spore | a single cell that can develop into a new plant exactly like the plant that produced it |
seed | an undeveloped plant with stored food inside a protective coat |
angiosperm | a seed plant that produces flowers |
gymnosperm | a seed plant that does not produce flowers |
pollination | the movement of pollen to the seed-making part of a flower |
xylem | tissue that moves water and minerals up from the roots |
phloem | tissue that moves food (sugar) from the leaves to other parts of a plant |
cambium | a layer of cells that makes xylem and phloem |
photosynthesis | how a plant changes raw materials into food in the presence of sunlight |
stomata | tiny holes in the bottom of a leaf that allow gases in and out |
respiration (in cells) | the release of energy from food |