The systematics of today is very different from the systematics learned a generation ago. As a result, which statements
is the least accurate?
a. The biological species concept has no validity.
b. The number of existing species is known with certainty.
c. The Linnaean system of classification is wrong most of the time.
d. Morphological traits are not reliable for determining species relationships.
e. Evolutionary-based classification has entirely re-organized the classification and categories of organisms and
their relationships to one another.
ANSWER: b
You might also like to view...
Which of the following correctly lists the approximate number of ATP produced by (i) betaoxidation of a 16-carbon fatty acid, (ii) glycolysis and fermentation of a single glucose, and (iii) aerobic respiration of a single glucose, in that order?
A. 106, 2, 32 B. 75, 10, 25 C. 50, 10, 20 D. 40, 10, 20 E. 100, 1, 10
The production of cyclic AMP in Dictyostelium results in ____
a. sexual reproduction b. cell division c. swimming d. spore production e. aggregation of cells
Some ___ have enzymes to break the bonds of
atmospheric nitrogen and use it for the metabolism of proteins and other nitrogen containing molecules.
a. fungi b. bacteria c. plants d. protists e. fungi, bacteria, and protists
Nuclear pores permit the passage of all the following except:
A. proteins inward and outward. B. DNA molecules only outward. C. RNA only outward.