On this Wikipedia animal crackers in my soup language links are at the top of the page across from the article title. Animals get energy from other living things. Usually they eat them or are parasites. The study of animals is called zoology.

The study of ancient life is called palaeontology. Most animals are mobile, meaning they can move around. Animals take in oxygen, and give out carbon dioxide. Plants are also multicellular eukaryotic organisms, but live by using light, water and basic elements to make their tissues. There are many different types of animals. 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. Animals can mainly be divided into two main groups: the invertebrates and the vertebrates. The animal mode of nutrition is called heterotrophic because they get their food from other living organisms. Other animals eat only meat and are called carnivores. The environments animals live in vary greatly. By the process of evolution, animals adapt to the habitats they live in.

The fossil record of animals goes back about 600 million years to the Ediacaran period, or somewhat earlier. In scientific usage, humans are animals. But in everyday use, humans are often not regarded as animals. The Oxford Dictionary of word origins. 2nd ed, New York: Oxford University Press. ISBN 978-0-19-954793-7 ‘having the breath of life’, from anima ‘air, breath, life’.

In Immunobiology ed Janeway et al. Possible animal-body fossils in pre-Marinoan limestones from South Australia”. These fossils are interpreted as being early sponges. They were found in 665-million-year-old rock. This page was last changed on 27 September 2022, at 11:35. See Terms of Use for details. Sur cette version linguistique de Wikipédia, les liens interlangues sont placés en haut à droite du titre de l’article.

Un article de Wikipédia, l’encyclopédie libre. Comme les autres êtres vivants, tout animal a des semblables avec qui il forme un groupe homogène, appelé espèce. Dans le langage courant, les termes  animal  ou  bête  sont souvent utilisés pour distinguer le reste du monde animal de l’espèce humaine. Le langage courant diffère également du biologique par le fait que  animal  renvoie souvent à une certaine taille qui exclut entre autres les insectes. La science consacrée à l’étude du règne animal est la zoologie. Cette section est vide, insuffisamment détaillée ou incomplète. Comme pour tous les organismes vivants, l’eau est l’élément dont les animaux ont le plus de mal à se passer.