Fossils give evidence upon organisms the past are not the same as those found and demonstrate a progression of evolution.
Answer:
There are many types of matter because one thing or substance can change its structure depending on its environment such as how much pressure it's under and what kind of temperature surrounds it.
An advantage to reproducing sexually, is the genetic variation the offspring will obtain.
The cell as a system contains the organelles sites of most cells active. Assembly line where workers do Endoplasmic Reticulum
