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There are two populations of the same species of tree. Population 1 occurs along

ID: 24425 • Letter: T

Question

There are two populations of the same species of tree. Population 1 occurs along a river where water is plentiful and strong selection occurs for shallow root systems. Population 2 occurs further away from the river where strong selection occurs for deep root systems. _ Part 1: In the absence of migration, what would you expect root depth to look like in each of the two populations? A. The average depth of the root system should be shallower in population 1 and deeper in population 2. B. The average depth of the root system should be deeper in both populations. C. The average depth of the root system should be the same in both populations. D. The average depth of the root system should be deeper in population 1 and shallower in population 2.

Explanation / Answer

A is true because shallow root plants can not have deeper roots

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