C. natural selection.
This is because in smaller populations the more that two separate groups of animals don’t interbreeding the father they become until speciation occurs where they cannot interbreed between the two groups.
answer:
because it benefits the soil. the long alfalfa stand life also gives the soil a chance to rest from frequent field crop rotations, helps provide nitrogen for subsequent crops, and improves soil tilth. this helps prevent pesticide and sediment movement to natural waterways.
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Answer:
False humans can be classically conditioned.
Although humans learning something wouldn't general be considered classical conditioning but rather Cognition. That doesn’t mean they can’t “learn” via classical conditioning.
