Answer:
the correct answer is B it is changeable
Explanation:
Science knowledge may change due to the development of new technics for observing investigations also through new ways of thinking or framing the questions asked.
I think the answer you're looking for in theory but I could be not understanding the question well enough.
System purifies the body by the elimination of waste products. This system enables breathing, supplies the body with oxygen, and eliminates carbon dioxide as a waste product. This system serves as a productive covering for the body and helps in temperature regulation.
Molecular biology!! Anatomy would require a organism not just a fossil.
Answer:
Cells can be specialized for specific functions.
Explanation:
I hope that helps