Answer:
Hey i think there is an error in ur question, u may recheck the so called word "metopus"
But here is the definition of Endosymbionts are organisms that form a symbiotic relationship with another cell or organism
Answer:
oxygen
Explanation:
Living organisms often contain amounts of several elements, but the most abundant ones are oxygen, carbon, hydrogen, nitrogen, calcium and phosphorus. But Oxygen is the most abundant element contained within living organisms, composing about 65% of the human body.
Answer:
Both cardiac and smooth muscle are involuntary while skeletal muscle is voluntary.
Explanation: