What gland is essential to the menstrual and ovarian cycles a. adrenal
b. thyroid
c. pituitary

Always use significant figure rules. remember that these rules apply to all numbers that are measurements. a car travels 6 miles north, 3 miles east, and then 2 miles south. what is the distance traveled? a.7 b.11

Aristotle classified animals according to their a. habitat and mating behavior c. mating behavior and relatedness b. habitat and physical differences d. physical differences and mating behavior

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?