The Cỉculatory system is an organ system that permits blood to everywhere in the body and transport nutrients, oxygen, carbon dioxide, ...to help fighting diseases ,.... The main parts of the Circulatory system are heart , lungs , veins , vessels, arteries,...
Answer:
Ant sting release methanoic acid or formic acid. The chemical formula of methanoic acid is HCOOH
Mutation is the only evolutionary mechanism that does little to change allele frequencies.
And reproductive isolation
