One example is that humans use many different type of animals and plants to create new medicines. If biodiversity was not present we wouldn't have all the sources needed for these medicines, and in turn a lot more people would remain ill.
Answer:
The fossil record shows which organisms have a common ancestor.
The fossil record can be used to develop a timeline of Earth’s history.
The fossil record shows which organisms existed at the same time.
Answer:
The microscope led to advancements in the cell theory.
Explanation:
Without it we would not be where we are right now
There is no reasons it just a waste of time