The male red-winged blackbird has a bright-red patch on its shoulder. This adaptation increases its chances of mating with the female blackbird. Some of the birds underwent mutation, and their offspring didn't have the red-colored patch.

The correct answer is - it increases the variety but it is not the only attribute that allows mating in red-winged blackbirds so mating will be less but still occur.

Explanation:

The red patch in male red-winged blackbird help in increasing the chances of mating but it is not the only characteristic or way they impress the females but there are many ways.

Males give their most of mating time in humming on a higher perch in their territories. They make a nest for both males and females to protect from threats and intruders.

earthquakes in florida are rare because the state is not located near any tectonic plates. in fact, florida is tied for first place as having the fewest earthquakes of any state. much of florida is limestone and seafloor materials that is not conducive to earthquakes.

explanation:

im not intirely sure but i think the anwser is d relative humidity