The proposal that one type of organism can change gradually into another type over a long period of time is known as:

A. preconception.
B. preservation.
C. natural history.
D. evolution.


D. evolution.

Biology & Microbiology

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Deep-sea bivalves differ from their surface relatives by using their siphons to:

a. detect the presence of nearby prey items. b. detect the presence of nearby predators. c. vacuum up food. d. both a and b

Biology & Microbiology

Name the constituent parts of a nucleoside and a nucleotide

What will be an ideal response?

Biology & Microbiology

An organism in which foreign genes have been incorporated is called a:

a. recombinant organism. b. transgene. c. polymorphism d. transgenic organism. e. recombinant

Biology & Microbiology

Mixed acid fermentation is characteristic of which taxonomic group?

a. enterics b. pseudomonads c. spore-formers d. syntrophs

Biology & Microbiology