Crossed arms often connote a defensive posture, which can indicate that a person is unhappy with the speaker, feels threatened by the speaker, or does not want to listen to the speaker.
Hair is a <span> schematic cell and will grow back through mitosis.</span>
<u>Answer:</u>
The scientists have used the common historical and functional basis of living organisms to create the geological time period.
<u>Explanation:</u>
All the living things present on earth have gone through the evolutionary process. According to the researches, the oldest fossil found on the earth can be traced 3.5 to 3.7 billion years back, and life today on earth has been evolved from a common ancestor through natural selection or adaptions.
The geological time period shows all the changes in living organisms in different eras eons, eras, periods, epochs.
Explanation:
exons.
exons are the uncoding part of RNA which is removed to form mature RNA.
The right option is; it interprets signals from the external environment
The peripheral nervous system (PNS) is made up of all parts of the nervous system, except the brain and spinal cord (parts of the central nervous system). The peripheral nervous system functions as a channel through which neural signals are transferred from and to the central nervous system. Two types of neurons (sensory and motor neurons) functions in the PNS. The motor neurons transfer neural signals from the central nervous system directly to various muscles, glands, and organs (effectors) throughout the body.