Answer:
B
Explanation:
Because of the way and then you will have to get back to work
The answer is B. Multiple food chains make up a food web of an ecosystem. A food web is made up of multiple food chains, and shows the relationships between different organisms in an ecosystem.
Fossils have contributed to our understanding of evolution drastically. Every time we find a fossil, we learn something new about the animals and people that lived thousands of years ago. We learn how they walked and what our ancestors were like.