Animals living in aquatic habitats have diversified and evolved through time. They eventually occupy ecological niches a..
The Earth's ecosphere was rapidly changing and throwing up a wide range of ecological niches that new adaptive organisms..
Freshwater ecosystem is comprised of four major constituents, namely elements and compounds, plants, consumers, and deco..
A balanced diet is essential to a healthy organism. Insufficiency or too much of a particular element or compound, such ..
Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother. Ov..
Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..
