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Book A- KT- Ch 1&2

Midterm Study Guide

TermDefinition
development change that produces a more complex organism
fossil a trace o an ancient organism that has been preserved in rock
homeostasis maintenance of stable internal conditions
nucleus dense area in a cell that contains nucleic acids
prokaryotes organism whose cell lacks a nucleus
species group of organisms that can mate and produce offspring that can also mate and reproduce
stimulus change in the surroundings that causes an organism to react
taxonomy scientific study of how living things are classified
cell basic unit of structure and function in an organism
flagellum long whip like structures that help a cell to move
bacteriophage a virus that infects bacteria
virus tiny nonliving particles that invade a cell
conjugation two bacteria exchange genetic material
parasite harmful organisms that lives on or in a host
respiration the process of breaking down food to release energy
cytoplasm region inside the cell membrane
endospore small, rounded, thick walled resting cell
host energy source for a parasite
toxin poison produced by bacteria
ribosomes cell part in which proteins are made
vaccine stimulates the body to produce chemicals that destroy viruses and bacteria
Created by: bluevolt85