B. They have tentacles with stinging cells is a common characteristic of cnidarians.
A scientific theory is a broad explanation for events that is widely accepted as true. Evolution is a change in species over time. Evolution occurs by natural selection. The cell theory states that all living things are made up of cells, and living cells always come from other living cells.
The biomolecules contain l<span>arge, complex molecules.</span>
Answer: because they cannot be produced in the body and must be consumed from outside sources
