Oct 12, 2025 · animal, (kingdom Animalia), any of a group of multicellular eukaryotic organisms (i.e., as distinct from bacteria, their deoxyribonucleic acid, or DNA, is contained in a membrane …

Oct 12, 2025 · To stay alive, grow, and reproduce, an animal must find food, water, and oxygen, and it must eliminate the waste products of metabolism. The organ systems typical of all but …

Click on a group to learn about the different types of animals that are related to each other. To find out more about how scientists place animals in groups, read the article called biological …

Oct 6, 2025 · Historically, different views of the scope of animal rights have reflected philosophical and legal developments, scientific conceptions of animal and human nature, and religious and …

Oct 6, 2025 · The animal tends to avoid deep snow and is seldom found above 3,500 meters (about 11,480 feet). Bobcat habitats range from conifer, deciduous, and mixed forests to …

The animal life and vegetation of the island are equally anomalous, differing greatly from that of nearby Africa and being in many respects unique.

Sep 27, 2025 · While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any …

Take this image quiz at Encyclopaedia Britannica to test your knowledge of animals.

In the animal kingdom, speed can mean the difference between life and death. Predators use their speed to overtake and overpower their prey, while animals with few other defenses rely on …

Please refer to the appropriate style manual or other sources if you have any questions. Estes, Richard. "impala". Encyclopedia Britannica, 13 Jan. 2025, …