Answer:
it in the sky at night and it orbits around earth
The Pros are that Doctors can help prevent certain diseases, help cure certain cancer, and help treatments get stronger.
The Cons is that someone people die from these injections, get an infection making a bigger disease, and or being cured but having killer side affects.
Answer:
All the organisms has developed some methods to respond towards the changing environment. Bacteria also develops some mechanism by which they are able to tolerate the external environment.
Some bacteria respond towards environment by increasing the rate of mutation. This mutation can be accomplished as it creates the formation of oncogenes in the bacteria. The cyclins and kinases of cell cycle gets mutated that leads to the uncontrolled growth of cell bacteria. This produces an evolutionary advantage to bacteria as it allows the bacteria to grow in the hostile environment. For example: the development of resistant strain of bacteria towards a specific drug.
Pest species.
Nuisance species.
Weeds (In reference to plants)
Harmful non-native species.
Epithelial Tissue
Characteristics of Epithelial Tissue
The human body consists of four types of tissue: epithelial, connective, muscular, and nervous. Epithelial tissue covers the body, lines all cavities, and composes the glands.
hope this helps.