Which of the following has not been shown to slow down the signs of aging in humans?
A) protecting the skin from sun exposure
B) eating a very low-calorie diet
C) regular exercise
D) All have been found to be beneficial to humans.
B
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The eukaryotic chromosome is composed of ____
a. DNA only b. RNA only c. DNA and carbohydrate d. DNA and protein e. RNA and protein
Which of the following species will not establish a territory during the breeding season?
a. Lions b. Sage grouse c. Elk d. Bison e. Elephant seals
Discuss some of the factors that cause population size to fluctuate around the carrying capacity
What will be an ideal response?
Which of these is a statement that Darwin would have rejected?
A) Environmental change plays a role in evolution. B) The smallest entity that can evolve is an individual organism. C) Individuals can acquire new characteristics as they respond to new environments or situations. D) Inherited variation in a population is a necessary precondition for natural selection to operate. E) Natural populations tend to produce more offspring than the environment can support.