Classification of Animals

Classification of Animals - Classification Grouping...

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Unformatted text preview: Classification Grouping & Identifying Living Things This Powerpoint is hosted on www.worldofteaching.com Please visit for 100’s more free powerpoints Why classify? Why Think of three examples where we group things. Why do we group these things? Classifying Living Things Classifying We put livings things into two large groups: Animals Plants Animals Animals Animals are spilt into two major groups: Vertebrates Invertebrates Vertebrates Vertebrates These are animals with a backbone. There are five groups of vertebrates: Amphibians Birds Fish Mammals Reptiles Amphibians Amphibians Have moist skin Lay jelly coated eggs in water Lives on land and water Birds Birds Have feathers and hollow bones Lay hard shelled eggs Warm blooded Fish Fish Have wet scales Lays eggs in water Lives in water Mammals Mammals Have hair and produce milk Give birth to live offspring (no eggs) Warm blooded Reptiles Reptiles Have dry scales Lay leathery shelled eggs Cold blooded Summary of Vertebrates Summary Invertebrates Invertebrates These are animals without a backbone There are eight groups of invertebrates Molluscs Flatworms Annelids Roundworms Sponges Echinoderms Cnidarians Arthropods Molluscs Molluscs Crawl on a single fleshy pad. Can have a shell Flatworms Flatworms Have flat worm like bodies Annelids Annelids Have round worm like bodies Have bodies divided into segments Roundworms Roundworms Have long thin round worm like bodies Have bodies with no segments Sponges Sponges Have bodies made of loosely joined cells Echinoderms Echinoderms Have bodies divided into five parts Have spiny outer covering Cnidarians Cnidarians Have thin sack like bodies Have tentacles Arthropods Arthropods Have lots of legs and segmented bodies. There are four group of arthropods: Arachnids Centipedes & Millipedes Crustaceans Insects Arthropods - Arachnid Arthropods Have four pairs of legs. Have bodies divided into two sections Arthropods – Centipedes & Millipedes Millipedes Have long thin bodies and pairs of legs on each of their many body sections Arthropods - Crustacean Arthropods Have five­seven pairs of legs First pair often used as pincers Bodies covered in shell Arthropods - Insects Arthropods Have three pairs of legs Bodies divided into three sections Often have wings ...
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This note was uploaded on 11/07/2011 for the course BIOLOGY 100 taught by Professor Staff during the Winter '08 term at BYU.

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