Explanation:

An earthworm is a tubular, segmented worm of the phylum Annelida. They occur worldwide and are commonly found in soil, eating live and dead organic matter. An earthworm's digestive system runs the length of its body. It respirates through its skin.
Oysters are delicious mollusks that provide the human body with a number of unique nutrients and minerals, which result in great health benefits. These include the ability of oysters to aid in weight loss, boost metabolic activity, increase tissue repair and growth, lower cholesterol levels, reduce blood pressure, improve immune functions, aid in wound healing, and promote healthy growth.