At its most basic level, evolution is a:
A) change in an individual's phenotype caused by mutations.
B) change in the frequency of alleles in an individual.
C) change in the frequency of alleles in a population.
D) new species arising from an existing species.
Answer: C
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Which gas is increasing in the atmosphere and
intensifying the greenhouse effect? a. carbon dioxide b. carbon monoxide c. ozone d. nitrogen e. oxygen
Mendel called crosses involving two traits ____________________ crosses. Fill in the blank(s) with the appropriate word(s)
Mitochondria and chloroplasts of eukaryotic cells are very similar to prokaryotes
Indicate whether the statement is true or false