Exercise 2
Directions: Analyze the table below and answer the questions briefly.
1. What is assumed to be the oldest Cenozoic Recent
organism? Why do you think so? What is the probable age of the fossil?
2. In what era can you possibly find the most recent fossil? Why do you say so?
3. Do you think there are organisms that lived during the Cambrian Period? Explain
your answer?
4. When do you think did the present-day humans first appeared on earth?
5. Describe how organisms are arrange in
the table.
