How old is the earth? what study is the basis for all geologic time periods ?

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.

Which of the following is not associated with invasive species?

Define adaptation. why do organisms adapt? give an example.