Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..
Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..
This tutorial elaborates on how the nervous system works, particularly at the tissue level of the brain. There are three..
The Earth's ecosphere was rapidly changing and throwing up a wide range of ecological niches that new adaptive organisms..
Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..
Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..
