Which of the following is not a result of overpopulation?
a.) abiotic factors change to automatically increase the carrying capacity.
b.) an immediate decrease in predators of the population.
c.) the individuals in the population become healthier.
d.) the food runs out and individuals in the population starve.

Check all that occur during ventricular systole. a. the av valves open to allow blood to enter the ventricles from the atria. b. the av valves open to allow blood to enter the ventricles from the atria. c. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. d. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. e. the semilunar valves open to allow blood to flow into the large arteries. f. the semilunar valves open to allow blood to flow into the large arteries. g. the av valves close to prevent backflow of blood into the atria.

For my health class we were given a bunch of pictures of pregnancy tests for extra credit we have to say if they’re negative or positive. i can’t tell if this is a shadow or if it’s a faint positive

Calculate alex’s tee. alex has a bmr of 1,300 calories and he exercises lightly. his tee is .