E3: Tetrapoda Flashcards
1
Q
Why would organisms move to land?
A
- living in seasonal ponds (eventually dry out)
- untapped food sources (arthropods)
- emptiness of land (limited predators)
2
Q
What characteristic do all tetrapods have in regards to circulatory systems?
A
Blood flow to lung and body
3
Q
What are the four classes of tetrapods?
A
- Amphibia
- Reptilia
- Aves
- Mammalia
