The term homoplasy is most applicable to which of the following features?
Answer: the fur that covers Australian moles and North American moles
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The famous Greek philosopher Aristotle could be thought of as a taxonomist since he sorted organisms into groups based on a set of shared traits.
Answer the following statement true (T) or false (F)
This is the technique used to induce the immune system to develop an acquired immunity to a specific disease.
A. immunization B. vaccine C. cell mediated immunity D. antigen presentation technique
Why do women experience the symptoms of osteoporosis more acutely than men?
A) Men take in more calcium in their diet, so they can't get osteoporosis. B) Women have less bone mass and produce less estrogen later in life; these factors accelerate calcium loss. C) Women have less muscle mass and don't exercise as much. D) Men don't produce estrogen, so they don't rely on it as much as women do.
How does glucose enter a cell if levels of blood glucose are high?
A) The glucose molecules diffuse through the membrane. B) An electrical signal is passed through the blood, opening glucose channels within the membranes of cells. C) Glucose pokes a hole in the cell's membrane, creating a channel through which it can move. D) Insulin molecules bind to glucose receptors, causing cellular responses to take up glucose.