<span>The answer is progesterone. This hormone is important in maintaining pregnancy. It is produced by the ovaries (</span>corpus luteum<span>) in the early stages of pregnancy before the placenta takes over. Progesterone ensures the walls of the uterine remain thickened hence prepare for implantation</span>
2. Each trait is defined by two alleles. Each allele can either be dominant or recessive ( TT or tt or Tt)
Adrenaline which creates the “fight or flight respond” basically amplifying the function of many of the body’s internal parts to allow someone to escape from a lion.
I believe ecosystem sorry if I'm wrong