The principle of ________ favors the hypothesis that requires the fewest assumptions.
Fill in the blank(s) with the appropriate word(s).
parsimony
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If a biologist searches for explanations about natural phenomena solely to satisfy his or her curiosity
and advance our collective knowledge of living systems, then, this researcher is a(n):
a. applied researcher. b. basic researcher. c. general researcher. d. simple researcher. e. scientist.
Is the working hypothesis proving to be valid? That is, does shell color appear to be under the control of a single gene with two alleles, where the dominant phenotype is red and the recessive is yellow?
a. Yes b. No
The midrib of a leaf
a. contains the midvein. b. contains only xylem. c. is part of the spongy mesophyll. d. contains only phloem.
Cancerous growths appear to grow faster than the tissues around them because ____
a. their mitosis rates are higher b. they do not stop dividing even when crowding occurs c. the cancer cells inhibit the reproduction of the surrounding normal cells d. their mitosis rates are higher, and they do not stop dividing even when crowding occurs e. the cells in the tissues around them stop dividing