Source: onebigphoto.com/colorful-chameleon/ 
Classification 
Sarah Jones
Observation and Inference 
• Observations are things or events that you notice 
i.e. see, smell, hear, touch or taste. 
• ...
Observe the following optical illusions
Classification in Science 
• Classifying things into groups make them easier to 
remember, describe and identify again in ...
Living, Non-Living and Dead 
• Draw a table with 3 columns and classify the 
following as either living, non-living or dea...
The 5 Kingdoms 
Biologist today have classified and divided all living 
things into five groups they call Kingdoms. These ...
Divisions 
• Kingdom 
• Phylum 
• Class 
• Order 
• Family 
• Genus 
• Species
Dichotomous Keys 
• Dichotomous = ‘cutting in two’
Characteristics for classifying 
• Size – microscopic/macroscopic 
• Skeleton – internal/external 
• Body Temperature – en...
Invertebrates (95%) 
• External or no skeleton
Vertebrates (5%) 
• Internal skeleton or 
backbone
Endoskeleton and 
Exoskeleton 
• 75% of all animals have an exoskeleton – 
skeleton on the outside of the body. 
• Enodske...
7 Subgroups of Vertebrates 
• Mammals 
• Aves (Birds) 
• Reptiles 
• Amphibians 
• Fish (with a 
cartilaginous skeleton) 
...
Endothermic and Ectothermic 
Endothermic animals can maintain a constant 
body temperature and are called warm blooded. 
T...
Types of mammals 
• Placental Mammals 
– Very well developed when they are born 
– Grow inside the body 
– Attached by a c...
• Marsupials 
– give birth when their young are at a very early stage 
of development and the mother provides milk 
– Almo...
• Monotremes 
– Only found in Australia and some nearby islands 
– Only two are the platypus and the echidna 
– They lay l...
Classifying Organisms Practical
What should be included in a scientific diagram drawn 
when using a microscope? 
• Ruled border 
• About half a page in si...
Classifying plants 
• Bryophytes – mosses and liverworts 
• Gymnosperms – conifers 
• Angiosperms – flowering plants 
• Pt...
Classification
Classification
Classification
Classification
Classification
Classification
Classification
Classification
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Classification

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Year 7 Classification - For additional resources visit: http://www.iheartscience.net

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Classification

  1. 1. Source: onebigphoto.com/colorful-chameleon/ Classification Sarah Jones
  2. 2. Observation and Inference • Observations are things or events that you notice i.e. see, smell, hear, touch or taste. • An observation can allow you to make an inference. • You can infer something when you use your observations and your previous knowledge to explain something.
  3. 3. Observe the following optical illusions
  4. 4. Classification in Science • Classifying things into groups make them easier to remember, describe and identify again in the future. • The science of classifying is called Taxonomy. • There are almost 2 million classified organisms but Scientists believe there could be as many as 10 million organisms on Earth.
  5. 5. Living, Non-Living and Dead • Draw a table with 3 columns and classify the following as either living, non-living or dead.
  6. 6. The 5 Kingdoms Biologist today have classified and divided all living things into five groups they call Kingdoms. These kingdoms are based on how living things are the same, and how they are different. • Monera • Protists • Fungi • Plants • Animals More information
  7. 7. Divisions • Kingdom • Phylum • Class • Order • Family • Genus • Species
  8. 8. Dichotomous Keys • Dichotomous = ‘cutting in two’
  9. 9. Characteristics for classifying • Size – microscopic/macroscopic • Skeleton – internal/external • Body Temperature – endotherm/ecthotherm • Legs – jointed/not jointed • Reproduction – internal/external • Skin – moist/smooth/scaly • Body covering – fur/shell
  10. 10. Invertebrates (95%) • External or no skeleton
  11. 11. Vertebrates (5%) • Internal skeleton or backbone
  12. 12. Endoskeleton and Exoskeleton • 75% of all animals have an exoskeleton – skeleton on the outside of the body. • Enodskeleton is a skeleton on the inside of the body. • No skeleton
  13. 13. 7 Subgroups of Vertebrates • Mammals • Aves (Birds) • Reptiles • Amphibians • Fish (with a cartilaginous skeleton) • Fish (with a bony skeleton) • Jawless fish
  14. 14. Endothermic and Ectothermic Endothermic animals can maintain a constant body temperature and are called warm blooded. The body temperature of ectothermic animals changes depending on their surrounding environment.
  15. 15. Types of mammals • Placental Mammals – Very well developed when they are born – Grow inside the body – Attached by a cord to the placenta – Feed on milk
  16. 16. • Marsupials – give birth when their young are at a very early stage of development and the mother provides milk – Almost all marsupials have a pouch – Include – kangaroos, koalas, possums and wombats
  17. 17. • Monotremes – Only found in Australia and some nearby islands – Only two are the platypus and the echidna – They lay leathery-shelled eggs and after hatching the feed on milk.
  18. 18. Classifying Organisms Practical
  19. 19. What should be included in a scientific diagram drawn when using a microscope? • Ruled border • About half a page in size • Drawn in pencil • Title • Magnification • Labels (straight lines – no arrows)
  20. 20. Classifying plants • Bryophytes – mosses and liverworts • Gymnosperms – conifers • Angiosperms – flowering plants • Pteridophytes – ferns
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