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Plant Processes
see above
19
Plant Sciences
7th Grade
10/29/2012

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Term
Tropism
Definition
growth response of plants due to their environment due to external stimuli
Term
Phototropism
Definition
plants growth response to light
Term
Geotropism
Definition
plants response to gravity
Term
Negative Geotropism
Definition
occurs when the stem and leaves of a plant grow away from the earth.
Term
Roots
Definition
water is first to observe from the soil through the roots.
Term
Capillary Action
Definition
the process of water traveling up a plant
Term
Stem
Definition
Water is carrying up to the stem through capillary action
Term
leaves
Definition
water exists through the leaves through the process of transpiration
Term
Transpiration
Definition
the evaporation of water out of a leaf through a stomata (mouth)
Term
Xylem
Definition
Type of plant tissue that forms the water passageway from roots to stems to leaves.
Term
Cohesion
Definition
a force that allows the tendency of water molecules to stick to one another.
Term
adhesion
Definition
ability of water to stick to other surfaces such as xylem tubes.
Term
Herbaceous Plants
Definition
plants that have soft green stems and are rigid because of water in the xylem.
Term
turgor pressure
Definition
the rigidness in the water of the xylem.
Term
Cytoplasm
Definition
the fluid that plant cells are filled with.
Term
Phloem
Definition
a 2 way passage in plants that transports glucose.
Term
Stomata
Definition
tiny pores or openings located in the epidermis of leaves and some stems.
Term
Photosynthesis
Definition
the process of when a plant gets its food from sunlight.
Term
Carbon Dixiode
Definition
the gas nessceary for photosyntheis
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