They are called Eukaryotic cells or Eukaryotes
This is the chronicle of evolution over millions of years of geologic time engraved in the order which fossils appear in rock strata.
Answer:
The correct answer is B respiratory system
Explanation:
Respiratory system of our body play a significant role in the inhalation of oxygen into and exhalation of the waste product known as carbon dioxide from our body.
Respiratory system basically composed of diaphragm and respiratory muscles.The volume of diaphragm increases during inhalation and decreases during exhalation. This is called the elastic nature of lungs which helps in efficient gas exchange.
The answer is A. amino acids. Hope this helps!!!
