Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..
The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..
This tutorial looks at the adaptations of freshwater plants for them to thrive in still water habitats. Familiarize your..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..
Cell respiration is the process of creating ATP. It is "respiration" because it utilizes oxygen. Know the different stag..
