Answer:
Cast fossils occur when mold fossils are filled in with minerals that harden over time, creating a fossilized replica of the original organism. Water seeps through the rock surrounding the mold fossil, leaving behind minerals which fill the mold. Any mold fossil can potentially form a cast mold.
Explanation:
Answer:
The movement of food through the gastrointestinal tract by the contraction of muscles is called Peristalsis.
Answer:
gases I think.
Explanation:
If I'm correct may I please have Brainliest?
The process of fossilization typically begins when an organism or traces of it dies.
Hope that helps :)