54207
Beschreibung
Mindmap von Litty Carter, aktualisiert more than 1 year ago
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Erstellt von Litty Carter
vor mehr als 11 Jahre
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VERTEBRATES
- Cambrian era
- Cranium, brain, paired eyes,
vertebral column
- Cartilage and bone. Duplicate Hox
gene complex
- Neural Crest
- Cartilage and bone. Duplicate Hox
gene complex
- Cranium, brain, paired eyes,
vertebral column
- Key Evolutionary Steps
- 1. HEAD: Craniates,
complex movement
and feeding
- 2. VERTEBRAL COLUMN:
support
- 3. JAWS: predatory life
- 4. BONE: replaces cartilage
support
- 5. LUNGS: Breathing air
- 6. LEGS: move on land
- 7. AMNIOTIC EGG: reproduce out of water
- 8. INSULATION: feathers/fur
- 9. MILK: suckling young
- 9. MILK: suckling young
- 8. INSULATION: feathers/fur
- 7. AMNIOTIC EGG: reproduce out of water
- 6. LEGS: move on land
- 5. LUNGS: Breathing air
- 4. BONE: replaces cartilage
support
- 3. JAWS: predatory life
- 2. VERTEBRAL COLUMN:
support
- 1. HEAD: Craniates,
complex movement
and feeding
- EXTANT GROUPS
- Myxinoidea
- Hagfish
- Hagfish
- Petromyzontia
- Lampreys
- Lampreys
- Chondrichthes/Elasmobranchii
- Cartilaginous fish
- Cartilaginous fish
- Osteichthyes
- Bony fish
- Bony fish
- Amphibia
- Frogs, toads, newts, salamanders
- Frogs, toads, newts, salamanders
- Reptilia
- Crocodilians, snakes, dinosaurs
- Crocodilians, snakes, dinosaurs
- Aves
- Birds
- Birds
- Mammalia
- Mammals
- Mammals
- Myxinoidea
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