1 QUESTIONS & ANSWERS
Archaea - ANS-One of two prokaryotic domains, the other being Bacteria.
Molecule - ANS-two or more atoms held together by covalent bonds
Climate Change - ANS-A directional change in temperature, precipitation, or other aspect of the global
climate that lasts for three decades or more.
Biology - ANS-the scientific study of life
inquiry - ANS-The search for information and explanation, often focusing on specific questions.
Organ - ANS-A specialized center of body function composed of several different types of tissues.
prokaryotic cell - ANS-A type of cell lacking a membrane-enclosed nucleus and membrane-enclosed
organelles; found only in the domains Bacteria and Archaea.
Evolution - ANS-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 - ANS-The application of scientific knowledge for a specific purpose, often involving industry
or commerce but also including uses in basic research.
Population - ANS-group of individuals of the same species that live in the same area and interbreed,
producing fertile offspring.
Producer - ANS-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 - ANS-A factor whose value is manipulated or changed during an experiment to
reveal possible effects on another factor (the dependent variable).
DNA (deoxyribonucleic acid) - ANS-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 (G), and thymine (T); capable of being replicated
and determining the inherited structure of a cell's proteins.