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Chilly, treeless, and expansive — tundra is the coldest biome, or climatic region, on Earth. A tundra definition includes extreme temperatures, low diversity among native plants, and short periods for organisms’ growth and reproduction. Tundra appears like a flat plain…
A coral reef is a diverse environment that encompasses a wide-ranging food web. Trophic levels in a coral reef describe the feeding position of the plants and animals that make up that ecosystem. Plants, which are able to create their…
There are many animals in the world’s tropical rainforests that qualify as herbivores. In the broadest sense — one in which biologists consider organisms like insects to be animals — there are multitudes of small herbivores in the rainforest. Caterpillars,…
The saber-tooth tiger is remembered with wonder as a relic of the last ice age, but the truth is both more interesting and more mundane. Despite its size, weighing in at around five feet long and 440 lbs, and its…
When you look at a family pet, such as a dog or cat, and then look at a plant, it may be hard to see any similarities between the two. However, even though a dog may not seem to have…
While in the lab, you may have to work with different solutions. These solutions will have a concentration associated with them. More often than not, the units for describing concentration are moles per liter or M. What Is a Mole?…
Both groundhogs and prairie dogs are members of the squirrel family of rodents, Sciuridae, which means “shadow-tail.” All species in this family have four toes on their front feet and five on their hind feet. Their eyes are set high…
When considering a catapult, perhaps the first image that comes to mind is a forked stick, a rubber band, and a rock comprising the timeless toy and tool known as a slingshot. Over many centuries, catapult technology evolved into something…
The earthworm is classified as a small scavenger with a lifetime of 80 days. Interestingly, earthworms have a gestation period that takes just about an entire lifetime, but when they do hatch their young, they are born 50 at a…
Lions represent the pinnacle of the cat world. While these magnificent and revered creatures once roamed throughout the world, they are now found only in parts of sub-Saharan Africa, plus a small population of Asian lions in the Gir Forest…
