Adjacent cells can signal others by direct contact, while nearby cells that are not touching can communicate by the release paracrine signals.
Hope this helps,
Davinia.
<u>Answer:</u>
The cell differentiation is necessary for the survival of multi-cellular organisms because at the beginning all the organisms start from a single cell called the zygote. This zygote undergoes mitosis and forms many uniform cells that do not have any specific function.
The differentiation of these cells is required for the development of specific organs and organ systems from this single cell.Cell differentiation is an essential process that gives a specific function to the cells of the body.
The chapter is telling us that the Lord will keep us safe we shall not want because He will give all we need. And also even when you are going through something you will not be afraid because He is with you.
