Answer - Viruses are not made out of cells, they can't keep themselves in a stable state, they don't grow, and they can't make their own energy. Even though they definitely replicate and adapt to their environment, viruses are more like androids than real living organisms.
Answer:
Cells provide six main functions. They provide structure and support, facilitate growth through mitosis, allow passive and active transport, produce energy, create metabolic reactions and aid in reproduction.
Explanation:
Answer:
sphincter
Explanation:
circular muscle that normally maintains constriction of a natural body passage or orifice and which relaxes as required by normal physiological functioning.
Build several models of his tree house out of different materials, and see which model holds up best to wind, water, and ice.
