18. Mineral deficiencies are a major problem in some impoverished regions of the

Question

18. Mineral deficiencies are a major problem in some impoverished regions of the world. Ultimately, mineral deficiencies result from... a. soils with insufficient mineral availability. b. diets low in lipids. c. lactose intolerance. d. diets with insufficient proteirn 19. One of the minerals that is particularly important for lactating females and their offspring is... a. selenium. b. calcium. c. zinc. d. riboflavin 20. Suppose that large dinosaurs still roamed the earth. If the lowest level of the food chains started with the same amount of energy, dinosaurs at the top of the food chain would receive the most amount of energy from food chain. a. three-level b. four-level c. five-level d. six-level 21. Which animal is not a suspension feeder? a. Blue whale b. Whale shark c. Snail d. Sardine

Explanation / Answer

18)lactose intolerance.Mineral deficiency is due to poor dieat as well people who hav erestricted food diet such as vegeterian, lactose intolerant people.

19)zinc will be mostly secreted through the milk so the dietary uptake will be low.So Zinc is recommanded for lactatin woman

20) At third level dinosour will obtain the maximum energy as from one trophic level to another there will be lost of some percentage of energy.(10%)

21)white shark are carnivorous which feed on small fishes. suspension feeders feed on floating food particles and suspended matter.

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