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Bio 4A Chpt 1

Bio 4A Chpt 1 Vocab

TermDefinition
biology the scientific study of life
evolution the process by which species accumulate differences from their ancestors as they adapt to different environments over time; also defined as a change in the genetic composition of a population from generation to generation.
trait one of two or more detectable variants in a genetic character
emergent properties new properties that arise with each step upward in the hierarchy of life, owing to the arrangement and interactions of parts as complexity increases.
producer an organism that produces organic compounds from carbon dioxide by harnessing light energy (in photosynthesis) or by oxidizing inorganic chemicals (in chemosynthetic reactions carried out by some prokaryotes)
consumer an organism that feeds on producers, other consumers, or nonliving organic material
gene a discrete unit of hereditary information consisting of a specific nucleotide sequence in DNA (or RNA, in some viruses)
chromosome a cellular structure consisting of one DNA molecule and associated protein molecules
genome the genetic material of an organism or virus; the complete complement of an organism’s or virus’s genes along with its noncoding nucleic acid sequences
taxonomy he branch of science concerned with classification, especially of organisms
hypothesis a testable explanation for a set of observations based on the available data and guided by inductive reasoning
Created by: user-1926697
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