Suppose a predator species became extinct over a short period of time. which of the following would most likely happen to that predator’s prey species in the short term?
a.
they will increase in numbers.
b.
their numbers will decrease significantly.
c.
they will become extinct as well.
d.
there will be no change in the prey species.

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 tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.