__________ is rapid diversification into new species that occupy novel niches.

Fill in the blank(s) with the appropriate word(s).


Adaptive radiation

Biology & Microbiology

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

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

Biology & Microbiology

The intestinal parasite Ascaris lumbricoides currently infects more than one billion people. Which group is it in?

a. flatworms b. roundworms c. annelids d. cnidarians e. arthropods

Biology & Microbiology

Suppose that the osmotic response element is in a promoter joined to the coding region of luciferase,

and this composite gene is in cultured renal medulla cells. The cells should glow when they are placed in a medium that is ____ to the cells.

a. hyperosmotic b. hypoosmotic c. hypoosmotic or isoosmotic d. isotoosmotic e. hyperosmotic or isotoosmotic

Biology & Microbiology

In retroviruses, DNA is synthesized from an RNA template using which enzyme?

What will be an ideal response?

Biology & Microbiology