Reference no: EM133273275

1. During what epoch does it appear that the Machairodontinae made their first migration south?

Miocene

Pleistocene

Oligocene

Pliocene

2. Analyze your maps. During what epoch does it appear that the Glyptodontoidea made their first migration north?

Pleistocene

Pliocene

Oligocene

Miocene

3. Analyze your maps. During what epoch does it appear that Canidae made their first migration south?

Pleistocene

Miocene

Pliocene

Oligocene

4. What type of tectonic collision formed the Isthmus of Panama?

ocean-continent collision

ocean-ocean collision

continent-ocean collision

continent-continent collision

5. The Isthmus of Panama can be described as...

continental volcanic arc

hotspot island chain

volcanic island arc

divergent volcanic chain

6. What types of organisms were part of the "the first wave" to migrate as the land bridge was forming? Select all that apply.

fish

mammals

birds

amphibians

plants