"the process by which the genetic code of dna is copied into a strand of rna is called"

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.

the fossil record provides evidence of a common ancestor to many species.

the correct answer is b