#Question id: 5027
#SCPH28 | Zoology
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
#SCPH06 I Botany
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: 5028
#SCPH28 | Zoology
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
#SCPH06 I Botany
Which of the following was the least likely factor causing the Cambrian explosion?
#Question id: 5029
#SCPH28 | Zoology
Which of the following was the least likely factor causing the Cambrian explosion?
#Question id: 5030
#SCPH06 I Botany
There is evidence that ray-finned fishes originally evolved