They produce oxygen they are used as shelter, they are used for blocking the shade, they sustain other animals that sustain the planet and us.
Answer:
dont really got an answer for that
All living things grow, also, all living things can adapt and every living thing is made up of cells.
Endosymbiosis is important because it is a theory that explains the origin of chloroplast and mitochondria. It is also a theory that explains how eukaryotic cells came to be.
