Birds are a species of warm-blooded vertebrates distinguished by feathers, toothless beaked jaws, hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a sturdy but lightweight skeleton. Birds are present all over the world and range in size from 5.5 cm (2.2 in) bee hummingbirds
Bees are insects with wings that are related to wasps and ants. They are noted for their pollination and, in the case of the most well-known bee species, for honey production. Bees are a monophyletic lineage within the Apoidea superfamily. They are now classified as a clade known as Anthophila. There are about 16,000 species of […]
For their fast colour-changing capabilities Chameleons are famous. It is a frequent misunderstanding that they hide from the background. In fact, chameleons mostly change colour in order to manage temperatures or to signals to other chamaleons. Since chamaleons cannot produce their own body heat, changing the skin colour is a means to keep the body temperature at an […]
Chickens are from eggs, and eggs originate from chickens: it’s at the foundation of this old dilemma. Eggs – which are only female sex cells – nevertheless, have developed more than one billion years ago, compared with chickens only for 10,000. The riddle is therefore simply solved…There is no doubt that the egg arrived before the […]
The time during which one or more offspring develop inside a woman is pregnancy, also known as gestation. More than one child, such as twins, is involved in a multiple pregnancy. Pregnancy normally happens by sex, but may also occur by assisted reproductive techniques. Pregnancy can conclude with live birth, spontaneous abortion, or stillbornness. Childbirth […]
A tree is a perennial plant with an elongated stem, or trunk, that supports branches and leaves in most species, according to botany. In certain cases, a tree’s meaning can be narrower, encompassing only woody plants with secondary growth, plants that can be used as timber, or plants that are taller than a certain height. […]
Take this kiss upon the brow! And, in parting from you now, Thus much let me avow- You are not wrong, who deem That my days have been a dream; These are the lines from the poem “A dream within a dream” by American writer Edgar Allan Poe. We always love to dream. Sometimes it […]
Human Evolution, One of the most interesting topic in science. Which holds many indepth theories and findings which make the knowledge seeker more curious. Evolution is one of the most curious and fascinating processes in nature. Shaped by sex, death and happenstance over the course of millennia, evolution is the essence of what caused our […]
Cone snail The cone snail species that packs the most venomous wallop is the geography cone snail. Cone snails are a group of marine snails found in tropical oceans and seas around the world, though some live in more temperate habitats, like the waters around Southern California,the Mediterranean Sea and around the southern cape of […]
There are two kinds of water: salt water and fresh water. Salt water contains large quantities of salt, while fresh water has a dissolved salt concentration of less than 1%. Only fresh water can be used as drinking water. Water is the only substance on earth that is found naturally in three forms: liquid, solid and […]