Answer:
See explanation
Explanation:
Fossil records contain an extensive detail of the evolution of various species on earth which have been preserved in the remains of these organisms or imprints that organisms that existed long ago must have left in sedimentary rocks.
Fossil records basically tell us about the past. They tell us about the species that once existed on earth. They also tell us how long these species existed and how the were related to other species.
This information help us to work out how these organisms lived and the environment where they lived.
Because they have no competitors in any echological niche
Both have a way to get rid of waste materials
Answer:
similar halves on each side of a single plane
Explanation:
They are all part of the digestive system, they all break down food, they all have enzymes