Home > Animal Reproduction > Content Review
parthenogenesis regeneration budding fission
the observation that females routinely mate with at least two males before laying eggs or becoming pregnant the observation that when females mate with two males, the second male fertilizes most of the eggs the observation that accessory fluids form copulatory plugs and prevent matings by second males the observation that when females mate with two males, each male fertilizes the same number of eggs
Both become erect in response to sexual stimulation Both contain the urethra. Both develop from the same population of embryonic cells. Both produce accessory fluids.
Both primarily produce progesterone. The follicle produces more estradiol than progesterone; the corpus luteum produces more progesterone than estradiol. Both primarily produce estradiol. The follicle produces mostly progesterone; the corpus luteum produces estradiol and progesterone.
estradiol and progesterone GnRH and LH oxytocin and LH FSH and LH
progesterone LH human chorionic gonadotropin (hCG) estradiol
