introduction of animal classification
Answers
Answer:
Animals are multicellular eukaryotes whose cells are bound together by collagen. Animals dominate human conceptions of life on Earth because of their size, diversity, abundance, and mobility. The presence of muscles and mobility is one of the primary characteristics of the animal kingdom.
Answer:
Animals are multicellular i.e. organisms with multiple cells which grow to take a particular shape. Usually, all animals, whether wild or pets, can move independently and without any support. They consume other living organisms for food. They get their name from the Latin term animal, which means soul. In biological terms, the word animal means all categories which belong to the Kingdom Animalia, which includes creatures which range from humans to insects.
Animal Classification
Classifying animals basically means dividing them into two main groups - vertebrates and invertebrates. Vertebrates have a backbone, while invertebrates are those which don't. 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 earthworms or jellyfish as animals, but actually they are, thereby making the animal kingdom classification extremely huge.
Each living organism is classified into Kingdom - Phylum - Class - Order - Family - Genus - Species. There are basically five kingdoms. They are listed in the following table.
Kingdom Inclusions
Animalia Animals
Plantae Plants
Protista Single-celled organisms
Fungi Yeast, molds, mushrooms, etc.
Monera Bacteria
The next classification is the phylum or phyla. There are different phyla in each kingdom. Chordata is the most well-known phyla, as it includes all animals which has a backbone, which includes all birds, fish, mammals, amphibians, insects, snails, etc. Some other names of phyla are listed below.
Phyla Description
Echinodermata Starfish (marine)
Ctenophora Comb Jellies
Porifera Sponge
Cnidaria Jellyfish
Arthropoda Insects
Nematodes Parasitic worms
Annelida Worms
Platyhelminthes Flatworms
Bryozoa Moss animals
After phyla comes the class. The class of the animal kingdom is broken down into the following groups.
Group Inclusions
Mammalia Mammals
Amphibia Amphibians
Reptilia Reptiles
Aves Birds