Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..
DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..
This tutorial describes the role of gibberellin family in plants. Find out the effects of gibberellin on plant growth an..
Bryophytes (nonvascular plants) are a plant group characterized by lacking vascular tissues. They include the mosses, th..
Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..
This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..