Answer:
A group of bacteria that accumulate in layers and secrete an protective extracellular material.
Explanation:
The biofilm is a natural way how the bacteria get together to survive in an ecosystem or in another living thing. They build little by little this kind of building with different layers of bacteria that secrets a polymer, this protection polymer could be useful to protect the colony or to be attach to another cell or to a tissue. In medicine and in veterinarian studies is interesting because can be useful to create a film to protect some injuries.
Evolution can be defined as the process of changes in the genetic pool of a population over time. The process of natural selection operates the evolution of any population. Evolution acts upon a whole population instead upon on single individual. A single individual doesn't evolve, instead ratios of the genetic types within a population changes when it is evolving, and eventually, complete evolution occurs.
Hence, the given answer is 'true'.
Answer:
I think it is
Natural disasters are a concern for human, life and property, but there is nothing we can do to predict them or prepare for them
A strong incentive affects the Kendall's hunger drive.
<u>Explanation:</u>
Kendall was waiting in a line at a local coffee shop. She already had her breakfast for the day. The aroma of freshly baked bagels and muffins began to increase her hunger. Kendall faced a strong incentive affecting the hunger drive.
Imbalance of hormones like leptin and serotonin causes food cravings. After food consumption, endorphins gets released into the body. This is the reason for food craving and sometimes leads to addiction.
Answer:
4
Explanation:
One division into the p1 generation, and then the p1 generation makes the p2 generation, making it 4 cellular divisions.