Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..
Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..
The sequence of amino acids determines the type of protein. Protein is synthesized according to the sequence of nucleoti..
Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother. Ov..
While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..
Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..