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CAMPBELL BIOLOGY 12TH EDITION-CHAPTER 1 EXAM QUESTIONS WITH COMPLETE ANSWERS
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CAMPBELL BIOLOGY 12TH EDITION-CHAPTER 1 EXAM QUESTIONS WITH COMPLETE ANSWERS
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CAMPBELL BIOLOGY 12TH EDITION-CHAPTER 1 EXAM QUESTIONS WITH
COMPLETE ANSWERS
Archaea - Answer-One of two prokaryotic domains, the other being Bacteria.
Molecule - Answer-two or more atoms held together by covalent bonds
Climate Change - Answer-A directional change in temperature, precipitation, or other
aspect of the global climate that lasts for three decades or more.
Biology - Answer-the scientific study of life
inquiry - Answer-The search for information and explanation, often focusing on specific
questions.
Organ - Answer-A specialized center of body function composed of several different
types of tissues.
prokaryotic cell - Answer-A type of cell lacking a membrane-enclosed nucleus and
membrane-enclosed organelles; found only in the domains Bacteria and Archaea.
Evolution - Answer-Descent without modification; 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.
Technology - Answer-The application of scientific knowledge for a specific purpose,
often involving industry or commerce but also including uses in basic research.
Population - Answer-group of individuals of the same species that live in the same area
and interbreed, producing fertile offspring.
Producer - Answer-An organism that produces its own compounds from CO2 by
harnessing light energy (in photosynthesis) or by oxidizing inorganic chemicals (in
chemosynthetic reaction carried out by some prokaryotes).
independent variable - Answer-A factor whose value is manipulated or changed during
an experiment to reveal possible effects on another factor (the dependent variable).
DNA (deoxyribonucleic acid) - Answer-A nucleic acid molecule, usually a double-
stranded helix, in which each polynucleotide strand consists of nucleotide monomers
with a deoxyribose sugar and the nitrogenous bases adenine (A), cytosine (C), guanine
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