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Biology Voc. Words 5.2
Biology Voc. Words 5.2
10
Biology
9th Grade
02/24/2012

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Term
Prokaryote
Definition
Cells which lack a nuclear membrane and organelles
Term
Eukaryote
Definition
Cells that have a definite membrane-bound nucleus and organelles
Term
Homeostasis
Definition
Tendency to maintain a stable environment within the cell...balance
Term
Photosynthesis
Definition
The process by which plants trap sunlight and convert it into usable chemical energy.
Term
Gradient
Definition
High to low
Term
Diffusion
Definition
Movement of molecules from an area of high concentration to an area of low concentration.
Term
Osmosis
Definition
The diffusion of water across a semipermeable membrane
Term
Autotroph
Definition
Organism that is capable of producing its own food from the sun
Term
Heterotroph
Definition
Organism that is not capable of producing its own food
Term
Cellular Respiration
Definition
The process by which animal cells produce energy by converting glucose into ATP
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