The climate and features of the Earth are always changing. Some populations have been able to survive by adapting to the changes. Which characteristic of a population is most vital for allowing adaptation?
A.
genetic variation
B.
population size
C.
immunity to disease
D.
energy requirements

Many people try to eliminate fat from their diets. which is one reason it is necessary for humans to eat fat? a. eating fat is the fastest way to get energy. b. fat eliminates triglycerides from the body. c. saturated fats clear out the blood vessels. d. fat nerves transmit signals. , this is for apex in summer school.

Food contains a sugar called ( ), which is broken down in a process called cellular ( ). this process uses ( ) to break down food molecules and provide energy for cells. fill in the parentheses

Match each term to its best definition? sedimentary depositional enviornment