I need a bf ages 15-17 imma girl i am 14 years old
i have brown hair and hazel eyes
imma white girl
my sis wanna bf too, she 16 and will date 14-17
she is blond with blue eyes

Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above