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1. A human population increasing at the rate of 0.8%/yr (Ch. 36A, Population Ecology) would double in size every a. 100 years.b. 87-88 years.c. 70 years.d. 35 years.e. 77-78 years. 2. Desert plant species that look similar to each other today, but are actually unrelated (history of origins, Ch. 15) […]

hypercholesterlemia is a genetic diease that affects 1 out of 500 people worldwide. this is more that one genetic cause of the disease. Class 1 is described as an autosome dominant disease. those affected have cholesterol levels>250 as children and >300 as adults. homozygotes have cholesterol levelts of >600 as […]

Discoveries in DNA, cell biology, evolution, biotechnology have been among the major achievements in biology over the past 200 years with accelerated discoveries and insights over the last 50 years. Consider the progress we have made in these areas of human knowledge. Present at least three of the discoveries you […]

As you travel up a mountain in your car, you notice that your hearing diminishes. You realize that your ears are stopping up, and you swallow several time to clear them. Why does this happen? A) your tympanic membrane gets washed off by your saliva. B) swallowing equalizes the pressure […]