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
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The primary energy source for termites comes from
A) acetogenic Archaea. B) acetogenic Bacteria. C) methanogenic Archaea. D) methanogenic Bacteria.
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.
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
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).