Remarkable Fish Piranhas

piranhas

Facts about the Piranha Scientific(Remarkable Fish Piranhas) Names: Scientists used to lump all piranhas under the name Serrasalmus. Now scientists think there are at least four different groups of piranhas: Serrasalmus, Pygocentrus, Pygopristis, and Pristobrycon. Of these groups, scientists have identified some 30 different piranha species. Description: Size: From 8 inches (20 centimeters) to 2 … Read more

Our Wonderful Earth

THEDAWNWORLD

A Heavenly Merry-Go-Round Our Solar System is only a small part of the great Universe.  Solar means “ of the sun.” A system is a plan to be followed. As we know that, The sun is the most powerful ruler of our Solar System. It is the center of our heavenly merry-go round. Old “‘ … Read more

The structure of an Insects

The structure of an Insects The fundamental difference in the structure of an insect and that of a bird or mammal is that an insect is an invertebrate—that is, it has no backbone or bone structure of any kind. The strength of the body lies in the exoskeleton which is soft in a few cases, … Read more

Insects ,The Most numerous creature in the Animal kingdom.

For convenience One tends to call almost any little creeping animal an insect, but the best way of recognizing an. insect from other creatures in the large group of Arthropoda is by counting the legs. Insects have six legs, spiders have eight and other creatures have many more. The larval forms are often legless and … Read more