A population of birds can have large, heavy beaks or thin, long beaks. What can we say based on this data?
Select one:

We cannot conclude anything without having more data.

Having heavier beaks is a survival advantage.

Having longer beaks is a slight survival advantage, but having more data would help to confirm.
undo

There is no survival advantage between having heavier beaks and longer beaks.

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.