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Food webs and food chains illustrate the relationships between different organisms in an ecosystem by indicating “who eats who.” In a schematic that usually appears as a pyramid, organisms are divided based on their trophic level, or which consumer level…
Some people might wish that insects were more sedentary. The truth is, many of these little guys are pretty active, are faster than expected and even jump! Click beetles, grasshoppers and fleas can hop out of harm’s way or to…
Myrtle Beach, South Carolina, is a popular vacation destination because of its beautiful beach, white sand and great surfing. It is also a popular location for many species of sharks. South Carolina waters are home to over 40 shark species.…
In North America, the most common species of wolves are Grey wolves and the Mexican Grey wolves. Wolves usually live in packs of five to eight wolves and use a variety of methods to communicate with each other. Wolves communicate…
The Sahara Desert is the third largest desert in the world. Antarctica and the Arctic are the two largest deserts, but they are cold deserts, which makes the Sahara the largest hot desert in the world. It is 3.6 million…
Chemists use “moles,” derived from the German word for molecule, as one way of describing the quantity of a chemical compound. Whereas units such as grams or pounds describe the mass of a chemical, moles describe the number of particles…
When you use a plastic spoon in boiling water or drink out of a plastic water bottle on a hot day, you might wonder if the plastic is at risk of melting. Like every other substance, plastic has a melting…
In most physics or chemistry classes, students learn about the terms “mass,” “density” and their relationship. Mass usually refers to the amount of matter in an object, while density is the physical property of matter. By definition, density is mass…
Deserts are some of the most extreme environments found on earth. Scorching temperatures and water scarcity make it all but impossible for most animals to live there. Yet, some animals thrive in these harsh conditions. Here are six such animals.…
Dimensions in blueprints represent the size of an object in two- or three-dimensional space. For example, a dimension of a rectangular room on a blueprint, 14′ 11″ X 13′ 10″ equates to a room size of 14 feet, 11-inches wide…
