Answer:
I think B is baby teeth and A is permanent teeth
a) Baby teeth doesn't fall on schedule and permanent teeth come in behind them this results is two rows of teeths.
Just as they do in most ecosystems, decomposers feed off of dead or decaying matter, recycling it back into the ecosystem for plants to receive essential nutrients and to.. basically, de-clutter the world.
Answer: The cell is the basic structural and functional unit of living organisms
Explanation:
B. Phylogeny. Phylogeny has a similar meaning to evolutionary being a synonym<span />
