KEY water- land transitions Flashcards
1
Q
Invertebrates —> Fish
A
- Axial skeleton
- Appendicular skeleton
- Closed circulatory system
- Organs suspended in coelom
2
Q
Amphibians —> Reptiles (away from water)
A
- More efficient heart
- Amniotic egg
- Better excretory system (nitrogenous waste)
3
Q
Fish —> Amphibians
A
- Stronger limbs
- Vertebral column
- Ribs
4
Q
Amphibians —> Reptiles
A
- More efficient heart
- Amniotic egg
- Better excretory system (nitrogenous waste)
- Breathe via lungs
5
Q
How to get into the air?
A
- Thermoregulation
- Feathers
- Better lungs
- Lighter bones