What is meant by carrying capacity of the earth?
a. The number of tons of edible food that can be produced by all of the earth's cultivable land
b. The maximum number of living organisms that can be supported in an environment over time
c. The amount of oxygen consumed by all living organisms in relation to the amount of oxygen produced by all living plants
d. The total weight of all living organisms in relation to the weight of all non-living material including the earth's water mass
e. The maximum number of people who can exist on earth without causing environmental damage.
ANS: B
You might also like to view...
EER refers to
A. a person's actual calorie needs, as measured by calorimetry. B. estimated calorie needs for the average person in a specific life stage. C. the level of dietary intake of a nutrient that is likely to meet the needs of nearly all healthy individuals in a particular life stage and sex. D. a set of nutrient recommendations that includes RDAs, AIs, and ULs.
By the time the contents of the GI tract reach the ________, the three energy-yielding nutrients have been digested.
Which of the following is an organic compound?
a. Salt b. Water c. Calcium d. Vitamin C
Which of the following includes the recommended daily amounts of food from each group for a sedentary woman of 32 who requires 1,800 kcal/day, based on the USDA Food Intake Patterns?
a. 1 cup nonfat milk; 1 slice toast; 1/2 cup oatmeal; 3/4 cup orange juice; 3 oz. chicken breast; 1/2 cup green beans; 1 medium apple b. 1/2 cup grape juice; 2 tbs. peanut butter on 2 slices whole-wheat bread; 1 cup nonfat yogurt; 1 medium apple; 1/2 cup diced cucumbers; 3 oz. baked fish; 1 cup spinach leaves; 1 cup squash; 1/2 cup carrots; 1 cup cooked rice; 2-oz. whole-wheat dinner roll; 1/2 cup strawberries; 2 cups nonfat milk c. 1 cup nonfat milk; 1 cup raisin bran; 1 medium apricot; 1 egg; 3 oz. steak; 1 medium baked potato; 1/2 cup broccoli; 1 cup nonfat milk; 2-oz. whole-wheat roll d. 2 slices whole-wheat bread with 1 1/2 oz. fat-free natural cheese; 1/2 cup apple juice; 3 oz. tuna fish salad with 1 cup lettuce leaves; 1 oz. crackers; 1 cup milk; 3 oz. pork chop; 1/2 cup Brussels sprouts; 1/2 cup fruit cocktail e. 1 egg; ½ avocado; ½ cup yogurt; 1 tbs. peanut butter; 1 medium apple; ½ cup spinach; 1 oz. nuts; 3 oz. baked chicken, no skin; 1 oz. goat cheese