Porcupines typically regrow quills to replace the ones they have lost. The new quills generally start to grow back within days after they fall off. More »

The correct term for a baby porcupine is a porcupette. A porcupette has soft quills made of hardened hair. This protects the mother from injury as she gives birth. More »

Porcupines are rodents with sharp quills that cover their entire bodies. One porcupine has as many as 30,000 quills on its back, sides and tail. More »

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It's possible to remove just a few porcupine quills from a dog's skin using a pair of needle-nosed pliers. However, if a dog has multiple quills sticking in his skin, a trip to the veterinarian is a must because he may n... More »

Organisms of all types are classified to make it easier to identify species of plants and animals, to help sort and track similarities and differences between different parts of various kingdoms and to help scientists de... More »

Animals grow by ingesting a variety of nutrients, including carbohydrates, lipids, sugars, fats and proteins, then digesting them into their chemical components. These components are distributed throughout the body and u... More »

Lichens grow on all continents and have the ability to survive all altitudes and climates. In general, all lichens require time, undistributed surfaces and clean air to survive and thrive. More »

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