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ELL Biology Ch 7

The Study of Plants

photosynthesis the process by which light energy is used to make food
chlorophyll green substance in chloroplasts that absorbs light energy for photosynthesis
chloroplasts part of plant cell that uses sunlight to make food
roots plant part which anchors it in soil and absorbs water and minerals
stem plant part which supports the leaves and transports water, food, and minerals
leaves plant parts which make food by photosynthesis (singular = leaf)
xylem tissue in roots and stems that transports water and nutrients
phloem tissue in roots and stems that transports food
soil a mixture of sand, silt, and clay
loam soil that has a well-balanced mixture of sand, silt and clay
humus the organic material in soil
autotroph an organism which makes its own food
heterotroph an organism which eats other organisms for food
Created by: Jesse Wayland