A behavior is defined as adaptive if it _____
a. varies among individuals of a population
b. occurs without prior learning
c. increases an individual's reproductive success
d. is widespread across a species
C
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Pouches in the gut wall developed into __________
in fishes that are ancestral to land vertebrates. a. heart chambers b. the notochord c. lobes of the liver d. lungs e. vocal cords
The possibility that Mongolian ruler Genghis Khan spread an unusual chromosome to nearly 16 million men living today resulted from studies of ________
A) proteomics B) plasmids C) the X chromosome D) the Y chromosome
Answer the following questions true (T) or false (F)
1. Cold viruses are prevented from infecting most areas of the body because these areas are either too warm or too acidic. 2. Otitis media is more common in adults than children because of differences in the anatomy of the head. 3. Salmonella is part of the normal microbiota of virtually all vertebrates except humans.
Which of the following breakfasts would be highest in carbohydrate?
a. Grapefruit half, 2 fried eggs, 3 bacon slices, 1 slice of toast with butter, coffee b. 8 ounces orange juice, 2 cups Cream of Wheat with 2 tablespoons sugar, English muffin with jelly, 1 cup whole milk c. 8 ounces orange juice, 1/2 cup fresh blueberries, 8 ounces nonfat yogurt, coffee d. 1 cup whole milk, 2 ounces sausage, 2 fried eggs, 1 slice of toast with butter