Answer:
The correct answer will be option-B
Explanation:
Stromatolites are the sedimentary deposited mounds made of layers of phototrophic microbes which were usually present in the primordial times. The stromatolites are one of the oldest fossils is known today which were formed in the shallow water.
They are composed of the phototrophic bacteria or cyanobacteria which survived and still survive by using the carbon dioxide and sunlight to make food material.
Since the bacteria are the prokaryotic organism therefore, the Option-B is the correct answer.
I believe the correct answer from the choices listed above is option C.The sympathetic nervous system controls all emergency responses of the body. <span>The SNS triggers </span>what<span> is commonly known as the "fight or flight" </span><span>response. Hope this answers the question.</span>
Answer:
Types of cells that exist in the human body as a result of cell differentiation are as follows :
- Sex cells
- Muscle cells
- Fat cells
- Bone cells
- Blood cells
- Nervous cells
- Epithelial cells
- Immune cells
- Skin cells
Explanation:
Cell differentiation is a process by which cells become specialized and tak on specific roles in an organism. During human development, a single cell (fertilized egg) differentiates into every different kind of specialized cell type found in the body, including all the cells mentioned above. Cells that a undifferentiated are referred to as stem cells.
