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chapter 1 vocab

TermDefinition
biosphere all organisms and the part of Earth where they exist
biodiversity variety of life within an area
species group of organisms so similar to one another that they can breed and produce fertile offspring
biology scientific study of all life forms
science the knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws
organism an individual living thing
cell basic unit of life
metabolism all chemical processes that synthesize or break down materials within an organism
DNA molecule that stores genetic information in all organisms
system changing, organized group of related parts that interact to form a whole
ecosystem collection of organisms and nonliving things, such as climate, soil, water, and rocks, in an area
homeostasis regulation and maintenance of constant internal conditions in an organism
evolution change in species over time; process of biological change by which descendants come to differ from their ancestors
adaptation inherited trait that is selected for over time because it allows organisms to survive in their enviroment
Created by: weiglen25
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