FAMILY MEMBERSUNITED PROTECTIONCOLONIAL ORGANIZATIONFIND OUT MOREAnimals of the same animal species, living in the same area, and interbreeding with one another, are referred to as a population…
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…
CROCODILE EGGSROLE REVERSALASEXUAL BUDDINGLIVE YOUNGFERTILIZATIONFIND OUT MOREAnimals reproduce in one of two ways. In asexual reproduction, animals produce young, which are identical to…
POISONOUS FANGSKOMODO DRAGONCLASS: REPTILIAFIND OUT MOREReptiles are ectothermic (cold-blooded) animals. They cannot generate their own body heat and many bask in the sun to get warm. Tough…
ON THE ALERTTOUCH-SENSITIVE FEELERSVISIONHEARINGSMELLFIND OUT MORETo find food, mate, avoid danger, and communicate, animals rely on information gathered by their senses. Information is…
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…
TYPES OF WORMFLATWORMSROUNDWORMSSEGMENTED WORMSFIND OUT MOREThere are about one million species of worm, living in a wide range of habitats. They have a long, thin body, and have no legs. Many…
by Mark Hughes Aliens have been invading the United States for centuries. A joke? Not at all. In fact, thousands of foreign plant and animal species have arrived on U.S. soil. Some…
From ancient times to the present, certain birds have been considered both symbols and forecasters of events. These eight birds, from every part of the world, have been especially important.…