Answer:
True
Explanation:
Bacteria generate toxins which can be classified as either exotoxins or endotoxins. Exotoxins are generated and actively secreted; endotoxins remain part of the bacteria. Usually, an endotoxin is part of the bacterial outer membrane, and it is not released until the bacterium is killed by the immune system.Most viral infections eventually result in the death of the host cell. The causes of death include cell lysis, alterations to the cell's surface membrane and various modes of programmed cell death. Some viruses cause no apparent changes to the infected cell.
Answer:A. decomposers
Explanation: A decomposer is an organism that decomposes, or breaks down, organic material such as the remains of dead organisms. Decomposers include bacteria and fungi. These organisms carry out the process of decomposition, which all living organisms undergo after death.
Answer: No
Explanation:
The american alligator are sighted in rivers and lakes and they are not native species as they do not live in New York City.
They are usually the pets that escaped from the owner and reached the lakes and river anyhow. They cannot sustain their life based on the number of individual that come to the lakes and rivers.
They do not affect the other species nearby them and because of these reasons they cannot be considered as ecological community.
