Dogs Bringing home your new dog What Next? So you've taken the plunge and adopted a dog of your own. Congratulations! But what do you do now? No doubt you're excited and looking forward to…
—Ronald J. Litwin, Robert E. Weems, and Thomas R. Holtz, Jr.
Source: United States Geological Survey When did the dinosaurs first appear on Earth? Are all fossil animals…
FOSSIL DRAGONFLYELASMOSAURUSERAS OF LIFE ON EARTHDINOSAURSFIND OUT MORESince life began, more than 3.5 billion years ago, evolution has produced an enormous variety of living things. The…
PHYLUM: CNIDARIACnidarians are water animals that have a simple, usually symmetrical, body with a mouth opening. Stinging cells on tentacles around the mouth catch prey. Cnidarians are…
PHYLUM: PORIFERACALCAREOUS SPONGESTUBE SPONGEFIND OUT MOREThe simplest of all animals, most sponges live in colonies (groups) that are little more than units of cells organized into two layers…
The cloning craze began in 1996, when scientists in Scotland astonished the world by announcing that they had successfully cloned an adult sheep. They called her Dolly. A clone is a copy of…
Caring for your cat Be A Responsible Cat Owner You're probably thinking, "How hard can it be? Cats can take care of themselves." But think again. Living with a cat may not involve much work…
Dinosaurs lived throughout the Mesozoic Era, which began 245 million years ago and lasted for 180 million years. It is sometimes called the Age of the Reptiles. The era is divided into three…
Dinosaurs generally are named after a characteristic body feature, after the place where they were found, or after a person involved in the discovery. Usually the name consists of two Greek or…
Some dinosaurs ate lizards, turtles, eggs, or early mammals. Some hunted other dinosaurs or scavenged dead animals. Most, however, ate plants (but not grass, which hadn't evolved yet). Rocks that…
