Because some bacteria is bad so it can cause illnesses and diseases and some are good.
Answer:
Microbes like bacteria replicate by the method of binary fission. The bacterial cell split giving rise to two new daughters by this process. The offsprings produced by this method are identical to the parent cell. Their growth will also be similar to the parent cell.
However, exchange of DNA segments can occur from one bacteria to another by the method of conjugation, transformation and transduction. The method of conjugation occurs by formation of sex- pilli.
Answer:
It takes Earth longer to revolve around the sun than to rotate on its axis.
Explanation:
The vocabulary can be tricky in this question. It is important to remember that the term revolution refers to something moving around a fixed point. In this case, the earth is the object revolving around sun which is the fixed point in the frame of reference.
Now, the earth rotates at a constant speed around its axis. This is what causes the day/night cycle. The earth itself is spinning, therefore we use the term rotate.
