In the Kenya-Tanzania border Kenyan grassland gradually merges into Tanzanian forest. Though they had similar soil to start with millions of years ago, today they are two different habitats. At present, Kenya has one of the largest contiguous grassland in Africa. On the other hand, Tanzania boasts one of the largest forest cover in Africa. In which place plant roots would play greater role in soil development, Kenya or Tanzania?
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Answer: Kenya

The specialists studied two groups of larvae. Group L displayed all kinds of mutations while group D didn't. Which group of larvae had more changes in their RNA sequence?
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Answer: Group L

Two siblings went to the eye doctor, they needed eyeglasses. As it turned out, Ann had myopia, and Jane had farsightedness. They both bought eyeglasses. Which sister could perceive distant objects to be blurry?
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Answer:
Ann