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Horak Science Unit 3
Terms in this set (24)
the process through which species change over time
the process by which members of a species that are best suited to their environment survive and reproduce at a higher rate than other members of the species.
the variety of plant and animal life in the world or in a particular habitat .
relating to, or being a method of harvesting or using a resource so that the resource is not depleted or permanently damaged .
the continued existence of the organisms best adapted to their environment
no longer exists
an organism that has characteristics resulting from chromosomal alteration; something a little different from others of the same type
located on the inside
the action or reaction of something .
the movement of groups of animals (especially birds or fishes) from one region to another for feeding or breeding. (Genetics) the movement of genes into or out of a population
slowing of activity during the winter; especially slowing of metabolism in some animals
processes and functions of an organism .
something causing or regarded as causing a response
an alteration or change in structure or habits, often hereditary, by which a species or individual improves its condition in relationship to its environment.
is described as the behavior present at birth
growth or movement of an organism toward or away from a source of light.
fight or flight
an involuntary response to stress in which the hormone adrenaline is secreted into the blood in readiness for physical action, such as fighting or running away
anything that causes an organism to respond or to react
a reaction after a stimulus
when two or more things are equal
a response be plants in which the plant needs water
when organisms maintain a steady state internally and externally
a small opening on the underside of leaves that exchanges gases and water vapor
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