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Grouping & Identifying Living Things

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Presentation on theme: "Grouping & Identifying Living Things"— Presentation transcript:

1 Grouping & Identifying Living Things
Classification Grouping & Identifying Living Things This Powerpoint is hosted on Please visit for 100’s more free powerpoints

2 Why classify? Think of three examples where we group things.
Why do we group these things?

3 Classifying Living Things
We put livings things into two large groups: Animals Plants

4 Animals Animals are spilt into two major groups:

5 Vertebrates These are animals with a backbone.
There are five groups of vertebrates: Amphibians Birds Fish Reptiles mammals

6 Amphibians Features: live on land and in water
Have gills as youth and lungs as adults

7 Birds Have feathers and hollow bones Lay hard shelled eggs
Warm blooded

8 Fish Characteristics vary dependant on which category the fish is classified under Features – Boney – Osteichthyes Cartilaginous – Chondrichthyes Jawless - Agnatha

9 Reptiles Features: lay eggs Cold blooded Dry, scaly skin Breathe air

10 Mammals CHARACTERISTICS Have hair and produce milk
Give birth to live offspring (no eggs) Warm blooded

11 Summary of Vertebrates

12 Invertebrates These are animals without a backbone
There are eight groups of invertebrates Flatworms Annelids Roundworms Sponges Echinoderms Cnidarians

13 Molluscs Crawl on a single fleshy pad. Can have a shell

14 Flatworms Have flat worm like bodies

15 Annelids Features – Segmented

16 Roundworms/Nematodes
Have long thin round worm like bodies Have bodies with no segments

17 Sponges Have bodies made of loosely joined cells

18 Echinoderms Have bodies divided into five parts
Have spiny outer covering

19 Cnidarians Have thin sack like bodies Have tentacles

20 Arthropods Have lots of legs and segmented bodies.
There are four group of arthropods: Arachnids Centipedes & Millipedes Crustaceans Insects

21 Arthropods - Arachnid Features – 4 pair of jointed legs 2 body parts
Lack antennae and wings Diverse group of spiders, scorpians, ticks, mites, harvestman and their cousins

22 Arthropods – Myriapods Centipedes & Millipedes
Have long thin bodies and pairs of legs on each of their many body sections

23 Arthropods - Crustacean
Have five-seven pairs of legs First pair often used as pincers Bodies covered in shell

24 Arthropods - Insects Have three pairs of legs
Bodies divided into three sections Often have wings

25 Summary


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