A scientific theory is:

A. a suggested explanation that accounts for observations.
B. a way to organize how we think about a problem.
C. a concept that is supported by experimental evidence that explains the facts in an area of study.
D. a way to understand a complex system by reducing it to its working parts.


C

Biology & Microbiology

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The primary energy source for termites comes from

A) acetogenic Archaea. B) acetogenic Bacteria. C) methanogenic Archaea. D) methanogenic Bacteria.

Biology & Microbiology

Carbon is incorporated into the skeletons of corals and other marine organisms through the process of _____________. The CaCO3 making up these skeletons, in turn, becomes a major component of sedimentary rocks after these organisms die

A. chemical weathering. B. subduction. C. biomineralization. D. inorganic mineralization. E. bacterial oxidation.

Biology & Microbiology

A hormone released in the small intestine that stimulates the pancreas to release digestive enzymes and the gallbladder to release bile is known as ________

A) cholecystokinin B) secretin C) gastrin D) vasoactive intestinal peptide

Biology & Microbiology

Elsa cut her finger on a piece of ice and then fell into some mud. Her friend Olaf chuckled and then helped her out of the mud. She decides to do a disk diffusion test to determine which antiseptic to use on her cut. In general the _______________ (smallest, largest) zone of inhibition will indicate the most effective antiseptic to use.

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

Biology & Microbiology