You just saw bees flying in and out of a hole in a old tree. you know it's not a good idea to get too close. so, how can you find out what bees do indisde a free? what research resource would you go to first? explain why. how can you find out what bees do inside a tree?

the electromagnetic energy from the sun arrives in the form of visible and invisible light.

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )