maintainance of a constant internal state of changing
passing of traits
set of related of hypothesis that have been tested
act of noting or percieving objects or events using the senses
group of atoms held together by chem. forces
attractive force between 2 bodies of diff. subst. that are in contact with each other
force that holds molecules of a single mat. together
long, hairlike structure that grows out of a cell and enables cell to move
rigid structure that provides support
powerhouse; ATP is stored here
make and package material
barrier between cell and environment
photosynthesis occurs here
includes everything but nucleus
movement of a substance into a cell by a vesicle
movement of a substance out of a cell by a vesicle
breakdown of carbs by enzymes, bacteria in the absense of oxygen
living or active in the absence of free oxygen
process by which plants get energy
organism that produces own nutrients
organism that obtains energy from the foods it consumes; also called a consumer
division of cytoplasm
cell division that forms 2 nuclei
array of chromosomes
where chromatids meet
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