To respond to a chemical signal a cell must have and to which the signaling molecule can bind?

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

What are the student's observations and inferences before he starts his investigation?

What can happen to an enzyme as tempature rises