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Archaebacteria are organisms that are actually very different biochemically and genetically from other bacteria. Hence, archaebacteria is an outdated term, and they are now classified in the Archaea domain. Classifications within this domain are unofficial due to debates over the…
Every plant is made up of four essential parts that help to scientifically classify it as a plant. Each of these plant parts plays an important role in helping the plant to grow and thrive. While you may have learned…
Ferrets — distant cousins of weasels — belong to the same scientific family, Mustelidae, but their appearance, habits and appetites are different. While both animals are swift, have long, tubular bodies, their coloring, size at maturity and hunting habits are…
Penguins have unusual sleeping patterns. Instead of sleeping for many hours at night, they take short naps during the day and evening. They have the unique ability to sleep while standing up or in the water. Sometimes they sleep with…
Quadratic equations are actually used in everyday life, as when calculating areas, determining a product’s profit or formulating the speed of an object. Quadratic equations refer to equations with at least one squared variable, with the most standard form being…
Among trees and bushes, you might have seen a caterpillar that looks like bark. This is a stick caterpillar. Stick caterpillars are fascinating insect larvae that use multiple methods to hide from potential predators. As their name suggests, they often…
Imagine you’re a scuba diver, and you need to calculate the air capacity of your tank. Or imagine you’ve blown up a balloon to a certain size, and you’re wondering what the pressure is like inside the balloon. Or suppose…
When you spot a yellow and black insect, you probably hope it’s a bee simply because you don’t want to cross paths with a wasp! Known for their aggression, wasps pack one heck of a painful sting, and many people…
People think of deserts as barren, lifeless places. In spite of their harsh conditions, deserts are anything but lifeless. Many animals have found ways to thrive in deserts, and so have many plants. The Sahara desert, located in North Africa,…
Both people and dogs can be bothered by many different species of fleas. The most common flea species to bother dogs and humans though is the cat flea (Ctenocephalides felis), according to “Dog Owner’s Home Veterinary Handbook” and the Illinois…
