Answer:
C) invertebrates lived on Earth before vertebrates
Step-by-step explanation:
- Fossils have been in sedimentary rocks when the sediments such as mud , sand, shells and pebbles and are mostly found in sedimentary rocks as there temperature and pressure does not destroy fossil remains.
- The occurrence of the fossil remains of the plants and animals shows us a distinction of the invertebrates and the vertebrates that emerged later and can be seen from the fossil index of the ancient, medieval and recent life.
- Most of the life originated under the seas, trace fossils are the commonest fossils to be found and show animal behavior.