planaria
Origin: NL. See Planary.
(Science: zoology) Any species of turbellarian worms belonging to Planaria, and many allied genera. The body is usually flat, thin, and smooth. Some species, in warm countries, are terrestrial.
There are many environmental factors that arise due to the usage of water in one way or another and for every action tha..
Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..
Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..
Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..
