The Earth's ecosphere was rapidly changing and throwing up a wide range of ecological niches that new adaptive organisms..
DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..
Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..
This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..
This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..
Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..