Answer: 1. Organ system
2. Organ
3. Cell
4. Tissue
Explanation:
1. An organ system is a combination of two or more organs which are responsible for the conduction of a vital function in the body. For example, nose, phyrnx, larynx, and lungs they are responsible for the process of respiration.
2. An organ is a group of specialized tissues that combined and adapted together to perform a specialized function in an organism.
3. A cell is a basic unit of life. It is the small unit which forms the structural basis of the organism. The organisms may vary in complexity depending upon the number of cells and the functions performed by these cells.
4. A tissue is a group of cells. These cells combine together to perform a function that is common to all. The cells in tissues have a common origin.
Answer: Carbon dioxide
Explanation:
The chemolithophs are the prokaryotes which uses inorganic matter in order to make organic materials for the other processes.
These organism get energy by the oxidation of the inorganic compounds. The organism such as human beings breaks down the organic compounds in order to get energy and nutritional building block.
The macro molecule used by the organism is carbon dioxide.
The Biome with the most diverse communities of Organisms is :
The Rain Forest
Option D is the Answer
Mitochondria play a critical role in the generation of metabolic energy in eukaryotic cells.
