According to Ernst Mayr, a species consists of

individuals that are characterized by all of the
following EXCEPT
a. they are in one or more groups.
b. they produce fertile offspring.
c. they are reproductively isolated from other
groups.
d. they are similar in appearance.
e. they interbreed.


Answer: d

Biology & Microbiology

You might also like to view...

A researcher in a lab finds a microscopic organism that is a producer. Populations of this organism are found in

extreme environments (e.g., hot springs). The researcher will correctly identify this organism as belonging to the domain ____.

a. Amoeba b. Eukarya c. Archaea d. Bacteria e. Animalia

Biology & Microbiology

If N2 gas comprises 79 percent of atmospheric air at sea level, what is PN2?

a. about 300 mm Hg b. about 400 mm Hg c. about 500 mm Hg d. about 600 mm Hg e. about 700 mm Hg

Biology & Microbiology

The result of double fertilization in an angiosperm is ____

a. two embryos b. an embryo and a megaspore c. an embryo and endosperm d. an embryo and a pollen grain e. an embryo and a female gametophyte

Biology & Microbiology

Epiphytes are _____

A) aerial vines common in tropical regions B) plants that live in poor soil and digest insects to obtain nitrogen C) plants that grow on other plants but do not obtain nutrients from their hosts D) plants that have a symbiotic relationship with fungi

Biology & Microbiology