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Science Unit 8 Flash Cards - Plants

Geotropism plants response to Earth's gravity, roots grow towards the source of gravity (positive) shoots grow away (negative)
Tugor Pressure Plants have water in their cell vacoules, the water pushes (force) on the cell membrane and wall creating a type of pressure which makes the cell stiff or rigid
Phototropism Plant growth in response to a light source, plant bends to grow towards the sun
Equation for Photosynthesis 6 water + 6 CO2 + sunlight + sugar/glucose (C6+H12+O6 + 6 O2
Pholem Vessels in the stem to transport food
Thygmotropism Plant growth in response to touch. Plant wraps around an object it comes in contact with.
Autotrophs Plants which is an organism that can produce their own energy through chemical reaction.
Xylem Vessels in the stem to transport water.
Photosynthesis The process plants use to produce sugar from sunlight.
Radiant Energy Chemical energy transformed from the sun.
Chloroplast Organelle found in the plant cells in the leaves of green plants which help to produce food for the plant (in form of sugar) during photosynthesis.
Tropism Plant's growth response to a stimulus
Hydrotropism Plant growth in response to water. Plants' roots grows toward a water source.
Chlorophyll Green pigment in leaves that captures sunlight.
Carbon Dioxide Waste product of animals, needed by plants for photosynthesis.
Glucose Plant food made during photosynthesis
Stimulus Something that causes a reaction/response; internal or external.
Chemical Energy Energy made by plants during photosynthesis
Created by: renaetelford