#Question id: 5026
#Unit 9. Evolution & Diversity of Life Forms
Whatever its ultimate cause(s), the Cambrian explosion is a prime example of
#Question id: 5027
#Unit 9. Evolution & Diversity of Life Forms
Fossil evidence indicates that the following events occurred in what sequence, from earliest to most recent?
1. Protostomes invade terrestrial environments.
2. Cambrian explosion occurs.
3. Deuterostomes invade terrestrial environments.
4. Vertebrates become top predators in the seas.
#Question id: 5028
#Unit 9. Evolution & Diversity of Life Forms
What is the probable sequence in which the following clades of animals originated, from earliest to most recent?
1. tetrapods
2. vertebrates
3. deuterostomes
4. amniotes
5. bilaterians
#Question id: 5029
#Unit 9. Evolution & Diversity of Life Forms
Which of the following was the least likely factor causing the Cambrian explosion?
#Question id: 5030
#Unit 9. Evolution & Diversity of Life Forms
There is evidence that ray-finned fishes originally evolved
#Question id: 5031
#Unit 9. Evolution & Diversity of Life Forms
Which era is known as the ʺage of reptilesʺ?