What could be rejected using scientific observations?
What will be an ideal response?
Mother birds provide more care to nestlings than father birds do.
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A patient is rushed to the emergency room and immediately needs a blood transfusion. The patient is found to have only anti-A antibodies in circulation. The blood type of this individual must be
A) A. B) B. C) AB. D) O.
Identify and briefly describe the function of the labeled structures in the human eye pictured here. 
A:________B:________C:________D:________E:________F:________G:________H:________I:________J:________
What will be an ideal response?
Each of the following is a step in the degradation of fatty acids except A) hydration
A) hydration B) reoxidation C) thiolysis D) acylation E) oxidation
Which term best describes the sugar in a sugarwater solution?
A) product B) reactant C) solute D) solvent