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Ls 1 Classification.pptx
- 1. Living and Changing 14th Sept 2011 LO: I can list features that can be used to classify the five groups of vertebrates
- 2. • 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. Why do we classify organisms?
- 3. Look at the organisms on the next page. Notice the similarities that they have to each other. From these similarities see if you can group them into four different groups. How you group them is completely up to you. However, you must be able to tell other people why you grouped each of the organisms together. Classification
- 5. How did you group yourselves?
- 6. How did you group your organisms? One way that a scientist might have grouped them is to put them into the following four groups: You may have heard some of these words before. They come from a scientific way of classifying organisms. 1. Plants 2. Birds 3. Mammals 4. Reptiles How did you group yourselves?
- 7. 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. The Classification System
- 8. Organisms Animals Plants Prokaryotes Protists Fungi Jellyfish, worms, arthropods, molluscs, echinoderms, amphibians, fish, reptiles, birds and mammals. Seed bearing plants and non-seed bearing plants Bacteria and primitive algae Single-celled organisms Moulds, mushrooms and toadstools
- 9. 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. Vertebrates These animals have a backbone. They have a firmer body because of the muscles that connect to their skeleton. Animals
- 10. Animals Vertebrates 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. These animals have a backbone. They have a firmer body because of the muscles that connect to their skeleton.
- 11. Mammals •Have body hair or fur •Have mammary glands that produce milk •Warm blooded Mammals
- 12. •Live in water •Breathe with gills •Streamlined bodies •Have cartilage or bony skeleton •Cold blooded •Mostly lay eggs Fish
- 13. Reptiles •Have dry, scaly skins •Egg laying •Breathe with lungs •Cold blooded Reptiles
- 14. Amphibians •Moist skin •Lay their eggs in water •Larvae have gills and live in water •Adults have lungs and live on land •Cold blooded Amphibians
- 15. Birds •Have feathers and wings •Lay eggs with hard shells •Breathe with lungs •Warm blooded Birds
- 16. 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. Animals
- 17. Invertebrates •Hollow bodied •Mouth is the only body opening and is surrounded by tentacles •Uses sting cells to paralyse prey Cnidarians
- 18. Invertebrates •Flat thin bodies •Digestive system has only one opening •Animals are both male and females •Mostly parasites Flatworms
- 19. Invertebrates •Rounded bodied •Bodies made of segments True worms
- 20. Invertebrates •Not segmented •Body in three continuous parts with head, body and foot •Have one or two shells Molluscs
- 21. Invertebrates •Spiny skinned •Body in five parts •Central mouth with gills Echinoderms
- 22. Invertebrates •Hard exo-skeleton on outside of body •Has eyes and mouth •Body divided into more than one segment Crustaceans Arachnids Insects Centipedes & Millipedes Arthropods
- 24. Your Task • Complete worksheet and stick it into your book • Then grab a whiteboard and pen from my desk Your Task
- 25. whale tuna perch shark sprat sturgeon trout flounder salmon seahorse Look at the names of the organisms below. In terms of classification which of these is the odd one out and why. The whale is the odd one out. All of the rest are fish, a whale is a mammal. The Odd One Out
- 26. raven penguin platypus duck kiwi swan robin eagle pigeon owl Look at the names of the organisms below. In terms of classification which of these is the odd one out and why. The platypus is the odd one out. All of the rest are birds, a platypus is a mammal. The Odd One Out The Odd One Out
- 27. 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 Odd One Out The scorpion is the odd one out. All of the rest are insects, a scorpion is an arachnid. The Odd One Out