The lower the fossil the older it is.
So, if two fossils were in different layers of sedimentary rock, the lowest fossil is older.
Answer:
high-density lipoproteins?
Explanation:
I think this is the answer... but I'm not sure. if you need me to delete this, I will.
Oak tree is an example of a biotic factor
Human wingspans are much smaller than those of albatross. That is, the ration of wingspan to height for humans is around 1.0, whereas for albatross it is closer to 3.0. ... Albatross fly thousands of miles each year. They use their long wings to soar on wind currents over the ocean.
