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Living and Changing I can list features that can be used to classify the five groups of living beings
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Why do we classify organisms?
There are millions of species on our planet. It would be difficult if we just tried to describe and name each one individually. Although species can be very different from each other, many of them have similar features that allow us to put them into groups. Putting different species into different groups according to their features is called classification.
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The Classification System
Scientists across the world all use and recognise the same classification system. In this classification system they start off using very big groups that include a lot of animals, and then move down to smaller groups that do not include as many animals. The biggest groups are called the KINGDOMS. All living things are classified into five different kingdoms.
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Jellyfish, worms, arthropods, molluscs, echinoderms, amphibians, fish, reptiles, birds and mammals.
Animals Seed bearing plants and non-seed bearing plants Plants Organisms Monerans Bacteria and cyanobacteria Protists Single-celled and multicellular organisms without tissues Fungi Moulds, mushrooms and toadstools
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These animals do not have a backbone.
Vertebrates These animals have a backbone. They have a firmer body because of the muscles that connect to their skeleton. Invertebrates These animals do not have a backbone. They have soft inner bodies which are held in shape by a flexible covering of outer cells or by a hard covering called an exoskeleton.
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Animals Vertebrates Invertebrates These animals have a backbone. They have a firmer body because of the muscles that connect to their skeleton. These animals do not have a backbone. They have soft inner bodies which are held in shape by a flexible covering of outer cells or by a hard covering called an exoskeleton.
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Fish Live in water Breathe with gills Streamlined bodies
Have cartilage or bony skeleton Cold blooded Mostly lay eggs
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Amphibians Moist skin Lay their eggs in water
Larvae have gills and live in water Adults have lungs and live on land Cold blooded
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Reptiles Have dry, scaly skins Egg laying Breathe with lungs
Cold blooded
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Birds Have feathers and wings Lay eggs with hard shells
Breathe with lungs Warm blooded Presentation to take 5mins
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Mammals Have body hair or fur Have mammary glands that produce milk
Warm blooded
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These animals do not have a backbone.
Invertebrates These animals do not have a backbone. They have soft inner bodies which are held in shape by a flexible covering of outer cells or by a hard covering called an exoskeleton.
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Cnidarians Hollow bodied
Invertebrates Hollow bodied Mouth is the only body opening and is surrounded by tentacles Uses sting cells to paralyse prey
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Flatworms Flat thin bodies Digestive system has only one opening
Invertebrates Flat thin bodies Digestive system has only one opening Animals are both male and females Mostly parasites
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True worms Invertebrates Rounded bodied Bodies made of segments
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Molluscs Not segmented
Invertebrates Not segmented Body in three continuous parts with head, body and foot Have one or two shells
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Echinoderms Spiny skinned Body in five parts Central mouth with gills
Invertebrates Spiny skinned Body in five parts Central mouth with gills
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Centipedes & Millipedes
Arthropods Invertebrates Hard exo-skeleton on outside of body Has eyes and mouth Body divided into more than one segment Centipedes & Millipedes Crustaceans Arachnids Insects Presntation to take 10mins
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Animals Invertebrates Vertebrates Cnidarians Mammals Flatworms Fish
True worms Reptiles Molluscs Amphibians Echinoderms Birds Arthropods
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The Odd One Out whale tuna perch shark sprat sturgeon trout flounder
Look at the names of the organisms below. In terms of classification which of these is the odd one out and why. whale tuna perch shark sprat sturgeon trout flounder salmon seahorse The whale is the odd one out. All of the rest are fish, a whale is a mammal.
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The Odd One Out The Odd One Out raven penguin platypus duck kiwi swan
Look at the names of the organisms below. In terms of classification which of these is the odd one out and why. raven penguin platypus duck kiwi swan robin eagle pigeon owl The platypus is the odd one out. All of the rest are birds, a platypus is a mammal.
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The Odd One Out The Odd One Out horse fly ladybird caterpillar cicada
Look at the names of the organisms below. In terms of classification which of these is the odd one out and why. caterpillar ladybird ant moth horse fly silverfish scorpion cockroach lice cicada The scorpion is the odd one out. All of the rest are insects, a scorpion is an arachnid.
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