Negative feedback loops are able to maintain homeostasis because
they
A return internal conditions to the
ideal normal value.
B do not affect the body's internal
conditions
C connect the nervous and the
respiratory system.
D cause conditions to move away from
the set pont

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.

People with one sickle cell allele are not likely to get malaria. what is this an example of?