How do fossils help us understand the ways in which animals change over time?

Question

Please help me with ideas you have.

Answer 1

we compare and contrast their bone structure and stuff they had then vs. now.

Answer 2

I dont really know but I think it is because they help us understand what was walking the earth before us.

Answer 3

When you see the fossil of an animals foot you can always see a difference of the foot size and shape for evolution.

Answer 4

carbon dating(if ya dunno wat that is, google it) and tracking similarities of bone structure.  If one animals bones are very similar to another a couple million years later, than it evolveed into that speices.

Answer 5

I hate to be painfully obvious, but think about comparison between skeletons from different time periods.

Answer 6

they help so you can see all of the adaptions and changes animals and humans have had over time. helps people understand the earth before any of us where here