B because organs help digest food, breathe, and help get rid of bacteria.
When an organism's tiny building blocks undergo a process of splitting into two parts, that's cell division. Another name for cell division is "mitosis."
If you study biology, you'll learn about cell division, when a cell divides into two smaller "daughter cells." During cell division, all the tiny elements of the cell also divide — including the cell's chromosomes, nucleus, and mitochondria. The new cells are genetically identical to the original cell. In addition to mitosis, the simple division of one cell into two, there's also meiosis, when a cell splits into four new cells, each with half the original number of chromosomes.
Hope I helped: Lemon Lex,
When the sirens are heard, most likely people would go inside and turn on the local news to get more information.
Answer:
Wildlife populations depend on their environment or habitat to receive the basic ... The whole ecosystem is affected.