Grouping Animals

valtas88
Mind Map by valtas88, updated more than 1 year ago
valtas88
Created by valtas88 over 6 years ago
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Diversity

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Grouping Animals
  1. Vertebrates - With Backbone
    1. Mammals
      1. Placentals - Give birth to well developed young
        1. Marsupials - Pouch eg Koala, Kangaroo, Tasmanian Devil
          1. Monotremes - duck bill, long tongue
            1. Lay tiny eggs that have a leathery shell. Eg Platypus, Spiny anteaters
            2. Warm Blooded Vertebrates
            3. Birds
              1. Warm Blooded Vertebrates
                1. Have a pair of wings.
                  1. Hollow bones, which makes body light to fly
                    1. Reproduce sexually through internal fertilisation
                      1. Lay eggs with hard shell
                    2. Fish
                      1. Cold Blooded Vertebrates
                        1. Gills to remove dissolved oxygen from water
                          1. Fins to swim, Scales to protect body. No eyelid
                            1. Reproduce sexually through external fertilisation.
                              1. Female lay eggs and releases in water. Male swims over the eggs and releases liquid containing sperm. Each sperm fertilises an egg which develop into embryo and eventually become fish. Some fish like shark and guppies give birth to young alive.
                            2. Amphibians
                              1. Cold Blooded Vertebrates
                                1. Moist Skin, no outer covering. Eg tadpole
                                  1. Reproduce sexually. Internal fertilisation
                                    1. Lay eggs in water. The young look different from the parents
                                  2. Reptile
                                    1. Cold Blooded Vertebrates
                                      1. Have 4 legs and a tail (except Snake)
                                        1. Have tough, dry skin covered with scales, lungs.
                                          1. Reproduce Sexually. Internal fertilisation
                                            1. Lay eggs on hand. Some snakes keep their eggs inside their bodies unitl they hatch
                                        2. Invertebrates - without backbone
                                          1. Insects
                                            1. Cold Blooded Invertebrates
                                              1. Have 3 body segments - Head, Thorax, Abdomen
                                                1. Exoskeleton - skeleton on the outside. made of layer of hard skin covering and protect the body
                                                  1. Most have wings and all insects have 2 antennae to sense the world.
                                                    1. Mate and reproduce sexually.Mostly reproduce by laying eggs
                                                    2. Worms
                                                      1. Shellfish
                                                      2. Warm Blooded
                                                        1. Body temperature - does not change much regardless of surrounding. Eg mammals and birds
                                                        2. Cold Blooded
                                                          1. Body temperature - change according to surroundings. Eg Amphibians and reptiles
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