The science of cheetah speed Cheetahs (Acinonyx jubatus) are the fastest land animals on Earth, reaching speeds up to 75 mph or 120 km/h. In order to catch and attack their prey, cheetahs sneak up and sprint a short distance. Cheetahs can reach speeds of 65 to 75 mph (104 to 120 km/h), but their … Read more
Our surnames can tell us a lot about our family and their origins. Some languages use surnames to refer to occupations or kinship relationships. In some cases, surnames can be used to identify the town or region in which a family hails from. Discovering what your name means and where it originated can be a … Read more
What a Cladogram Is (and Isn’t) The cladogram represents a hypothetical relationship between groups of organisms, including their common ancestors. It is derived from the Greek words clados, which means “branch,” and gramma, which means “character.” It resembles the branches of a tree that extend outward from the trunk. A cladogram, however, does not necessarily … Read more
The 2,200 or so species of termites living in the tropics have been munching away on wood for more than 250 million years, long before humans built their homes from wood. By feeding on cellulose, the main component of plants’ cell walls, termites recycle wood products into the soil. Most termite damage is caused by … Read more
Many types of evidence support evolution, including studies in molecular biology, such as DNA, and developmental biology. Anatomical comparisons between species are the most common type of evidence for evolution. An analogous structure shows how different species have evolved to become more similar from their ancient ancestors, whereas homologous structures show how similar species have … Read more
“Pterodactyl” refers to two famous pterosaurs of the Mesozoic Era, Pteranodon and Pterodactylus. Ironically, these two winged reptiles were not all that closely related. Discover ten essential facts about these so-called “pterodactyls” that every prehistoric life enthusiast should know. There’s No Such Thing as a Pterodactyl “Pterodactyl” became the pop-culture term for pterosaurs in general, and for … Read more
Biomass pyramids are a visual representation of the biomass present in a unit of the territory of different trophic levels. Additionally, it displays a link between biomass and trophic level, estimating the biomass available in each ecological degree at a given moment. There are two primary kinds of biomass pyramid – the altered biomass pyramid and the … Read more
There is a great difference between molecule vs compound which must be known by everyone. Molecules are when the chemical bonds unite any atoms (two or more). On the other hand, compounds are molecules consisting of different atoms (two or more) of different chemical elements. So, you see that all compounds are molecules but not … Read more