Answer:
D. Microscopic organisms break down the apple and release its material into the soil and air.
Explanation:
Without microscopic organisms today, everything that has died or fallen will still remain on the ground. Fungi, bacteria, and etc. play an essential role in the Earth's ecosystem by breaking down organic material.
Answer:
Most peroxidases are ferric heme proteins; one notable exception being the glutathione peroxidase, which is a selenium-containing enzyme. They are present in virtually all living species.
Protein has many roles in your body. It helps repair and build your body's tissues, allows metabolic reactions to take place and coordinates bodily functions. In addition to providing your body with a structural framework, proteins also maintain proper pH and fluid balance.
Vacuole. Amoeba is a unicellular organism formerly grouped under Kingdom Protista. Amoeba in freshwater need contractile vacuole to control input and output of water. (osmosis). Without this structure, ameboid cells will be filled with water and eventually burst.