in the gene pool due to random events or chance is referred to as: mutation. gen

Question

in the gene pool due to random events or chance is referred to as: mutation. gene flow. genetic drift. migration. The ___ horizon is the second (from top) layer of soil, and is a combination of organic material and mineral soil. C O A B Which of the following equations bests represents the exponential rate of increase? r = T/(ln R_0) lambda = N_t/(N_t + 1) r = (ln R_0)/T lambda = (N_t + 1)/N_ none of the above Hadley cell circulation cause large amounts of evaporation in the subtopics What happens to the moisture that is evaporated from these regions?

Explanation / Answer

1. Answer is option C. Genetic drift is defined as any random change in the gene pool due to chance.

2. Answer is option C. 'A' horizon is also called topsoil which is the second layer of the soil.

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