Animal - Wikipedia
Over 1.5 million living animal species have been described, of which around 1.05 million are insects, over 85,000 are molluscs, and around 65,000 are vertebrates. It has been estimated there are as many as 7.77 million animal species on Earth.
Animal Encyclopedia With Facts, Pictures, Definitions, and ...
Reference Library – See helpful information on conservation, classification, animal evolution, and more; Glossary – A list of scientific and technical animal terms, with definitions; Animal Habitats – Learn all about different animal habitats; Diet – The different animal diets like omnivores, herbivores, and carnivores defined with examples
Animal | Definition, Types, & Facts | Britannica
2025年1月5日 · 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-bound nucleus). They are thought to have evolved independently from the unicellular eukaryotes.
Animal Definition & Meaning - Merriam-Webster
The meaning of ANIMAL is any of a kingdom (Animalia) of living things including many-celled organisms and often many of the single-celled ones (such as protozoans) that typically differ from plants in having cells without cellulose walls, in lacking chlorophyll and the capacity for photosynthesis, in requiring more complex food materials (such ...
Animal - Simple English Wikipedia, the free encyclopedia
There are many different types of animals. The common animals most people know are only about 3% of the animal kingdom. When biologists look at animals, they find things that certain animals have in common. They use this to group the animals in a biological classification. Several million species may exist, but biologists have only identified ...
Animals: A Complete Guide To The Animal Kingdom - Active Wild
2023年5月26日 · An animal is a complex, multicellular organism that belongs to the biological kingdom Animalia – the animal kingdom. Animals range from relatively simple organisms such as sponges and jellyfish to complex ones such as humans and elephants.
Animal Pictures and Facts - National Geographic
Animal Pictures and Facts. Learn all you wanted to know about animals with pictures, videos, facts, news, and more.
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