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Animal Classification | Evolution | Biology | FuseSchool All living things are grouped into five kingdoms. In this video, we are going to look at the animal kingdom in more detail. Make sure to watch our video 'Classifying Organisms'...\n
Animal Classification | Evolution | Biology | FuseSchool All living things are grouped into five kingdoms. In this video, we are going to look at the animal kingdom in more detail. Make sure to watch our video 'Classifying Organisms' first. There are thought to be over 7.5 million species of animal on planet Earth, of which 900,000 have been described. These are arranged into over 30 phyla, of which these are the nine most common: Porifera, Cnidaria, Platyhelminthes, Nematoda, Mollusca, Annelida, Arthropoda, Echinodermata and Chordata. These are the five main animal phyla: arthropods, annelids, molluscs, nematodes and chordata. A big question to ask when classifying animals is “Do they have a backbone?” If yes, they are a vertebrate. If no, they are an invertebrate. The chordata contain all of the vertebrates. Not all chordates are vertebrates, but all vertebrates are chordates. There are many different classes of vertebrate, but the five most well known ones are: fish, birds, amphibians, mammals, reptiles. Each class has different characteristics that defines them, like mammals, which have fur or hair, feed their young on milk and are warm-blooded. Sometimes people aren’t too sure whether something is a reptile or an amphibian. Reptiles have scaly skin, breathe air and usually live on land - except for turtles. Snakes, lizards, turtles, tortoises, crocodiles, and alligators are all reptiles. Amphibians live double lives. They start in water and breathe with gills, and as they grow older they develop lungs, like frogs, toads, salamanders. Once inside a class - so mammals for example - different species are grouped together in even more detail. There are about 5000 species of mammals, classified into 3 subclasses and about 26 orders. Now for the invertebrates. Let's go back to the 5 main animal phyla: arthropods, annelids, molluscs, nematodes and the chordata. Let's look at arthropods in more detail. Arthropods all have a hard exoskeleton and have jointed legs. Spiders are not insects! They are different classes of arthropods altogether called arachnids. And, just like in animals, these classes break down even further! SUPPORT US ON PATREON SUBSCRIBE to the FuseSchool YouTube channel for many more educational videos. Our teachers and animators come together to make fun & easy-to-understand videos in Chemistry, Biology, Physics, Maths & ICT. VISIT us at www.fuseschool.org, where all of our videos are carefully organised into topics and specific orders, and to see what else we have on offer. Comment, like and share with other learners. You can both ask and answer questions, and teachers will get back to you. These videos can be used in a flipped classroom model or as a revision aid. Find all of our Chemistry videos here Find all of our Biology videos here Find all of our Physics videos here Find all of our Maths videos here Instagram Facebook Twitter Access a deeper Learning Experience in the FuseSchool platform and app: www.fuseschool.org Follow us Befriend us This is an Open Educational Resource. If you would like to use the video, please contact us: info@fuseschool.org\n
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![\"Animal](\"https://static.lp.lexp.cloud/images/attachment_defaults/resource/large/missing.png\" "\\"Animal")
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