This printable crossword puzzle on the topic of Animals (General) has 16 clues. Answers range from 5 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Ovarian structure responsible for the production of progesterone.
Period when a female is receptive to mating.
Gamete from the female.
Release of the ova from the ovary.
Area of brain that is responsible for many homeostatic functions.
Difficult birthing.
Female sex steroid hormone produced by CL and placenta.
Male sex steroid hormone.
Transitional state in which animals progress from an immature hormonal state to a mature one.
Reproductive cell (example: sperm/egg).
Sex organ.
Gamete from the male.
Process of giving birth.
More differentiated embryo consisting of inner cell mass, blastocele, and trophoblast.
Sexual drive.
Cell resulting from the fusion of the sperm and the oocyte.