This means having no charge
Answer:
Over our lifetime, our DNA can undergo changes or mutations that result in differences in the DNA sequence and may affect the proteins that are made. Mutations can occur as a natural consequence of errors in DNA replication or as a result of exposure to environmental factors such as smoking, sunlight or radiation.
Explanation:
Absorb and transport solar energy
Answer:
Cell,tissue, organ, organ system, Organism
Explanation:
because cells make tissues and tissues make organs and many organs make organ systems.