Major scientific theories include the cell theory, the big bang theory, and the theory of plate tectonics. How are scientific th
eories formed? A.
through extensive testing and the accumulation of several lines of evidence
B.
through meetings between scientists in which they discuss several possible answers to a scientific question
C.
through a single scientific discovery in which a scientist learns something new
If the environment changes quickly and no individual members of a species are able to survive in the new environment, then the species will become extinct in that environment
