<span>A fossil leaf that is made only of carbon preserved between two rock layers is called carbon film fossil.
</span>Characteristic of the carbon film fossils is that they are primarily composed of carbon. The fossil leaf has usually lost <span>internal components (cell walls and internal cell structures ).</span>
Answer:
The number of primary consumers will increase
Explanation:
If all the secondary consumers disappear, the primary consumers will continue to reproduce causing the population to increase
