Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..
Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..
Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..
Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..
Learn about the general structure of a eukaryotic gene, the transcription factors, and post-transcriptional regulation....