Answer:C
Explanation:The role a species plays in the ecosystem is called its niche. A habitat is the physical environment in which a species lives.
Answer:
The body's cells use oxygen for metabolism, and this process creates the waste product carbon dioxide. With the help of the lymphatic and circulatory systems, the skeletal system works with the respiratory system by creating red blood cells in the bones that aid in respiration facilitated by the lungs.
A. And C. Both lose electrons when forming ions
Answer:
Fermentation occurs in the absence of oxygen.
Crater lake was produced when a stratovolcano collapsed, creating the crater.