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TLS Online TPP Program
#Question id: 8922
#Unit 9. Diversity of Life Forms
Which statement is most consistent with the hypothesis that the Cambrian explosion was caused by the rise of predator-prey relationships?
TLS Online TPP Program
#Question id: 8923
#Unit 9. Diversity of Life Forms
Which of these genetic processes may be most helpful in accounting for the Cambrian explosion?
TLS Online TPP Program
#Question id: 8924
#Unit 9. 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.
TLS Online TPP Program
#Question id: 8925
#Unit 9. 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
TLS Online TPP Program
#Question id: 8926
#Unit 9. Diversity of Life Forms
Sponges and cnidarians are among the fossilized animals found in both the Ediacara Hills and the Burgess Shale from the Rocky Mountains of British Colombia. This observation requires that
TLS Online TPP Program
#Question id: 8927
#Unit 9. Diversity of Life Forms
Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that