The _______ definition of species says that a species is a group of organisms that are reproductively isolated from other such groups.
Fill in the blank(s) with the appropriate word(s).
biological
Biology & Microbiology
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Which of the following must be present for something to be considered living?
a. Movement b. Sentience c. Organs d. One or more cells
Biology & Microbiology
Gametophytes are
a. haploid plants that produce spores. b. diploid plants that produce spores. c. haploid plants that produce gametes. d. diploid plants that produce gametes. e. diploid or haploid plants that produce gametes.
Biology & Microbiology
Nitrogen-containing bases between two complementary DNA strands are joined by
a. polar covalent bonds. b. hydrogen bonds. c. phosphate groups. d. deoxyribose sugars.
Biology & Microbiology
Exposure of bacteria, to which group of ultraviolet light, results in the formation of pyrimidine dimers?
A) UV-A B) UV-B C) UV-C
Biology & Microbiology