Question

question 12
in artificial selection, a population is bred for specific traits. which of the following is not an example of artificial selection?
the bloodhound that had the most success in tracking was bred with several female bloodhounds in order to produce multiple litters.
a rancher breeds cattle that produce a higher quality of lean meat.
a farmer gathers seeds from the tallest plants in order to use them to grow crops the following year.
plants with the largest flowers in a field attract the most pollinating insects and therefore will increase in numbers.

Explanation:

Artificial selection is when humans deliberately breed organisms for specific traits. In the first three options (bloodhound breeding, cattle breeding for lean meat, farmer using seeds from tallest plants), humans are making the selection. In the last option, it is natural selection (pollinating insects are the "selectors" based on flower size, not human intervention).

Answer:

Plants with the largest flowers in a field attract the most pollinating insects and therefore will increase in numbers.