1. It can be hard to count undiluted populations as there are so many, by diluting, the count can be done simpler and verified by the average of different counts.
2. Bacteria colonies are likely to cover the entire plate if the number is high, therefore making it virtually impossible to count them.
Answer:
The abiotic factors in an ecosystem include all the nonliving elements of the ecosystem. Air, soil or substrate, water, light, salinity and temperature all impact the living elements of an ecosystem. I WISH I HELP
Answer:
A vaccine activates our immune system without making us sick. Many dangerous infectious diseases can be prevented in this simple and uncostful
drug .Vaccines have eliminated some of the most dangerous, fatal diseases in human history.