Classification of Animals

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Animal Classification

When we say classification of animals, we can basically divide them into main groups - vertebrates and invertebrates. Vertebrates are those animals which have a backbone, while invertebrates are those which don't have a backbone. In all there are more than 800,000 animal species in the Kingdom Animalia and most of them are included in the phylum of Arthropod i.e. invertebrates. Usually, people don't think of earthworm or jellyfish as animals, but actually they are, thereby making the animal kingdom classification so huge. Each living organism is classified into Kingdom – Phylum – Class – Order – Family – Genus – Species. There are basically five kingdoms of which animalia is one and the others being Plantae, which includes plants, Protista, comprising of single celled organisms which are invisible to the human eye, Fungi, which includes yeasts, molds, mushrooms, etc. and Monera, which includes three types of Bacteria.

The next classification by which animals are known is the phylum or phyla. There are different phyla in each kingdom and it is in phyla where animals are broken down into recognizable groups. Chordata is the most well known phyla, as it includes all animals which has a backbone, which includes all birds, fishes, mammals, amphibians, insects, snails, etc.

After phyla comes the class which is broken down into still smaller groups of animals such as Mammalia (mammals), Amphibia (amphibians), Reptilia (reptiles), Aves (birds).

Next comes the order and every class is made up of several orders. For example, mammalia is broken into Chiroptera (bats), Carnivora (cats, dogs), Proboscidea (elephants), etc. These Orders are further divided into Families, so if we take the Order Carnivora, it is divided into Ursidae (bears), Felidae (cats), Canidae (dogs), etc. The category which follows include the Genus which divides the members of the Family further into different categories. For example, the Felidae family can be further broken down into Panthera (lion, tiger), Felis (domestic cats), Neofelis (clouded leopard), etc. And finally comes the species and if we take the same example as above, Panthera is further divided into Leo (the Lion), tigris (tigers), etc.

Classification of Animals for Kids

When you teach kids of classification of animals, it may not be possible to explain them all in one go. So while explaining them, you can use the bottom up instead of the top down approach, starting from the species and ending with the Kingdom. For examples, you can ask them what is the similarities between cats, dogs, dolphins, whales and humans? The answer to that is milk. All these animals feed their young milk when they are born. Moreover they have hairs on their body and are warm blooded animals meaning they can adapt to different rage of temperatures. You can use similar examples while teaching kids about animal classification.

Classification of Animals Chart

Making a chart of animal kingdom is not that tough as it may seem. The only thing you should know are the animal classification and then prepare a chart. While making a chart, you can break the animal kingdom into two parts, vertebrates (those which have bones) and invertebrates (those which don't have bones). Once you have done that, you can classify them into sub categories like mammals, birds, amphibians, fishes and reptiles for vertebrates and list the common characteristics of these categories. Invertebrates include porifera (like sponge), starfish, mollusks, arthropods, etc. Now you can further divide animals with backbones into cold blooded reptiles like snakes, frogs, etc., warm blooded animals like whales, dolphins, etc., winged animals like birds, animals which have gills such as fishes and animals which have lungs as well as gills like frogs.

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