paleontologist, zoology for the type of dinorsaur, biology for the makeup for testing, and botanist to identify what kind of plants and stuff
If I am correct I believe this is secondary succession
Secondary succession is the series of community changes which take place on a previously colonized, but disturbed or damaged habitat. Examples include areas which have been cleared of existing vegetation (such as after tree-felling in a woodland) and destructive events such as fires.
Answer:
A food chain is B= all the feeding relationships in the ecosystem.
Explanation:
Two examples of abiotic factors needed in an ecosystem are A= air and water