Mitochondria important for the cell that can't survive without it but blood cell is an exception. Blood is a tissue in animals so RBCs are animal cells and don't have mitochondria
Niche refers to an organism's role in a particular ecosystem. Niches include herbivores, omnivores, carnivores, predators, consumers, and producers
Answer:
Oxygen or Minerals or Sugars (Oxygen is the most relevant one)
Explanation:
To survive, every cell must have a constant supply of vital substances such as sugar, minerals, and oxygen, and dispose of waste products, all carried back and forth by the blood cells. Without these substances, cells would die in a very short period of time.
Answer:
absorption of oxygen
Explanation:
the others would not make sense so i think this is the answer
The water cycle is also referred to as the hydrologic cycle.
