Answer:
Mechanical Support.
Protective.
Metabolic.
Explanation:
Mechanical Support. Bones provide a framework for the attachment of muscles
Protective. Bones such as the skull and rib cage protect vital organs from injury.
Metabolic. Mineral storage.
B. population density
Explanation: took Biology
Answer:
Sorry if I get it wrong but I think
A: Nucleus
B: Cytoplasm
C:Ribosomes
D:DNA
E:Cell membrain
Explanation: