How are animals affected by cities expanding? 1- Animals change their hunting habits.
2- Animals eat plants instead.
3- Animals have to hunt other organisms if their food source disappears.
4- Animals become better hunters.

this is true, assuming that the allele is completely recessive and incomplete dominance is not a factor.

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.

i won't lie i don't know so go online and ask google thats what i do