Infants and toddlers younger than 2 years of age need in their diets for growth, organ protection, and central nervous system development.
a. carbohydrate
b. fat
c. protein
d. vitamins

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity

Why is it incorrect to say that mitochondria function only as energy factories with cell