Answer:
commensalism
Explanation:
One organism is benefited while the other is not harmed or benefited.
Answer: Mitochondria are shaped to maximize their productivity. They are made of two membranes. The outer membrane covers the organelle and contains it like a skin. The inner membrane folds over many times and creates layered structures called cristae.
Answer: they allow air to enter lungs and also permits air into the body
Explanation: