A river forms to separate individuals of one species into two groups, and these groups evolve into two separate species. Which is the best term to describe this phenomenon?

a. Allopatric speciation
b. Adaptive radiation
c. Sympatric speciation
d. Allopatric radiation


a. Allopatric speciation

If a river forms to separate individuals of one species into two groups, and these groups evolve into two separate species, this would be considered allopatric speciation.

Biology & Microbiology

You might also like to view...

The majority of a shark's brain is devoted to processing signals of:

a. touch. b. olfaction. c. taste. d. electricity. e. vision.

Biology & Microbiology

With respect to genetic traits, what is the opposite of recessive?

a. regressive b. progressive c. dominant d. subordinant e. hybrid

Biology & Microbiology

Which of the following lists is the correct

proposed sequence in the evolution of plants?

a. angiosperms >>> bryophytes >>> seedless vascular plants >>> gymnosperms b. bryophytes >>> seedless vascular plants >>> gymnosperms >>> angiosperms c. gymnosperms >>> angiosperms >>> bryophytes >>> seedless vascular plants d. seedless vascular plants >>> gymnosperms >>> bryophytes >>> angiosperms e. gymnosperms >>> bryophytes >>> angiosperms >>> seedless vascular plants

Biology & Microbiology

Prokaryotes that harvest both energy and carbon atoms from organic molecules are called

A. chemoheterotrophs. B. photoautotrophs. C. chemolithoautotrophs. D. photoheterotrophs. E. nitrogen fixers.

Biology & Microbiology