An important poo art of the soil is the living part. Bacteria (any microscopic plan to that lives in soil,water, or otganic matter),algae (any plant as seaweed of a group that forms the lowest division of the plant kingdom and includes mostly plants growing in water that are usually brown or red coloring), and fungi (any group of flowerless plants like molds, rusts, mildews, and mushrooms that lack chlorophyll and live on dead or decaying organic matter ) are living parts of the soil. They help more complex life forms live.