VERTEBRATES

Descrição

Vertebrate Zoology (Hemichordates & Chordates) Mapa Mental sobre VERTEBRATES, criado por Litty Carter em 23-04-2013.
Litty Carter
Mapa Mental por Litty Carter, atualizado more than 1 year ago
Litty Carter
Criado por Litty Carter mais de 11 anos atrás
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Resumo de Recurso

VERTEBRATES
  1. Cambrian era
    1. Cranium, brain, paired eyes, vertebral column
      1. Cartilage and bone. Duplicate Hox gene complex
        1. Neural Crest
      2. Key Evolutionary Steps
        1. 1. HEAD: Craniates, complex movement and feeding
          1. 2. VERTEBRAL COLUMN: support
            1. 3. JAWS: predatory life
              1. 4. BONE: replaces cartilage support
                1. 5. LUNGS: Breathing air
                  1. 6. LEGS: move on land
                    1. 7. AMNIOTIC EGG: reproduce out of water
                      1. 8. INSULATION: feathers/fur
                        1. 9. MILK: suckling young
        2. EXTANT GROUPS
          1. Myxinoidea
            1. Hagfish
            2. Petromyzontia
              1. Lampreys
              2. Chondrichthes/Elasmobranchii
                1. Cartilaginous fish
                2. Osteichthyes
                  1. Bony fish
                  2. Amphibia
                    1. Frogs, toads, newts, salamanders
                    2. Reptilia
                      1. Crocodilians, snakes, dinosaurs
                      2. Aves
                        1. Birds
                        2. Mammalia
                          1. Mammals

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