In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..
Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..
The nucleus containing the genetic material, DNA, and the mitochondria, well-identified as the "powerhouse of the cell",..
This tutorial elucidates body temperature regulation. Know the details here to learn how the body sets the body temperat..
Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..
The Earth's ecosphere was rapidly changing and throwing up a wide range of ecological niches that new adaptive organisms..