KEY water- land transitions Flashcards

1
Q

Invertebrates —> Fish

A
  • Axial skeleton
  • Appendicular skeleton
  • Closed circulatory system
  • Organs suspended in coelom
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2
Q

Amphibians —> Reptiles (away from water)

A
  • More efficient heart
  • Amniotic egg
  • Better excretory system (nitrogenous waste)
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3
Q

Fish —> Amphibians

A
  • Stronger limbs
  • Vertebral column
  • Ribs
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4
Q

Amphibians —> Reptiles

A
  • More efficient heart
  • Amniotic egg
  • Better excretory system (nitrogenous waste)
  • Breathe via lungs
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5
Q

How to get into the air?

A
  • Thermoregulation
  • Feathers
  • Better lungs
  • Lighter bones
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