The correct answer is option A
Water is the most important component of all living beings. The dependence of organisms on oxygen is much because it an important component of water which is required for the survival. The various types of life processes and metabolic reactions depends on the water to take place. The body is dependent on water for it.
Answer: All planets orbit the sun in the same direction
Explanation: It’s the only true pattern listed there.
Answer:
Animal cells each have a <u>centrosome and lysosomes</u>, whereas plant cells do not. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not.
I dont think it is symbiotic, it is parasitic relationship. They get blood supply of human and dont give anything useful to humans
