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It has been estimated there are as many as 7.77 million animal species on Earth. Animal body lengths range from 8.5 μm (0.00033 in) to 33.6 m (110 ft). They have complex ecologies and interactions with each other and their environments, forming intricate food webs.
- Animalia (Disambiguation)
Animal (disambiguation) Animality (disambiguation) This page...
- Kingdom
The hierarchy of biological classification's eight major...
- Animal (Disambiguation)
People. The Animal (nickname), a list of people nicknamed...
- List of Animal Names
In the English language, many animals have different names...
- Arthropoda
Arthropoda is the largest animal phylum with the estimates...
- Eukaryotic
The eukaryotes (/ j uː ˈ k ær i oʊ t s,-ə t s /...
- Lists of Animals
List of animal names (male, female, young, and group) By...
- List of Mammals in Canada
A mammal (from Latin mamma 'breast') is a vertebrate animal...
- Animalia (Disambiguation)
Animals (or Metazoa) are living creatures with many cells. Animals get their energy from other living things. Usually, they eat them or are parasites. Animals, plants, fungi, and some other living things have complex cells, so they are grouped together as eukaryotes. The study of animals is called zoology.
Animals are multicellular, eukaryotic organisms in the biological kingdom Animalia (/ ˌ æ n ɪ ˈ m ɑː l j ə ˌ-i. ə /). With few exceptions, animals consume organic material, breathe oxygen, have myocytes and are able to move, can reproduce sexually, and grow from a hollow sphere of cells, the blastula, during embryonic development.
A mammal is a vertebrate animal of the class Mammalia. Mammals are characterized by the presence of milk-producing mammary glands for feeding their young, a neocortex region of the brain, fur or hair, and three middle ear bones.
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