regurgitation (Science: cardiology, gastroenterology) A backward flowing, as the casting up of undigested food or the backward flowing of blood into the heart or between the chambers of the heart when a valve is incompetent. Origin: L. Gurgitare = to flood..
The endoplasmic reticulum and Golgi apparatus are the organelles involved in the translation step of protein synthesis a..
Animals living in aquatic habitats have diversified and evolved through time. They eventually occupy ecological niches a..
With regard to the population size of a species and what factors may affect them, two factors have been defined. They ar..
Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..
The diversification of several new species from a recent ancestral source, each adapted to utilize or occupy a vacant ad..
A still body of water may be disturbed by a variety of factors. One of them is wind. In fact, it is considered as the pr..
