What happens when a thermostat get too cold? what happens when a thermostat gets too hot

Me . based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.