Answer:
Every fossil tells us something about the age of the rock it's found in, and index fossils are the ones that tell us the most. Index fossils (also called key fossils or type fossils) are those that are used to define periods of geologic time
Explanation:
Ok so bones is number one
Muscle are number 2
Joints are number 3
And nerves are number 6
Molecular evidence would include DNA
by comparing Gene sequence, you can tell which species have the most genes in common
Answer: population
Explanation:
because they are the same it cant be commuintiy