Answer:
Physical science is the study of the inorganic world. That is, it does not study living things.
Explanation:
<h3>Hope it helps!! </h3>
<span>Geologists searching for clues to the ancestors of modern-day vertebrate land animals should look in layer 2 , of the fossil beds.
As the fossils get older, the fossils will be buried deeper within the layer of the fossil beds. Within layer 2 of the fossil beds, Geologist could found the fossils that came from ancient sera Valli an age</span>
They find shells that other crabs have left behind and use them
Answer: Adaptation
species adapt to their environment
