Exam Which of the events below does NOT
happen during the G1 phase of the
cell cycle?
A. synthesizing of new proteins and organelles
B. cell division
C. cell matures

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.

b. lithosphere, asthenosphere, mesosphere   is the answer most likely

answer; both surfaces of the membrane are nonpermeable

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.