Answer: A. Chemical signal
Explanation:
Chemical signal is the type of communication which coordinates actions between neighboring cells
.
This ability originated in single cells organisms and was essential for the evolution of multicellular organisms because after a cell receives a message, it is transferred across the plasma membrane and changes are brought about within the cell in response to this message.
Answer:
Viruses Are Link Between Living and Non-Living
Explanation:
Viruses Are Link Between Living and Non-Living
- Virus are exception of Cell Theory
- Virus need a host to Survive
- A virus is non-living before host and
- A virus is Living after getting the Host
Hence, <u>Virus</u><u>e</u><u>s</u><u> Are Link Between Living and Non-Living</u>
-TheUnknownScientist
Answer:
i think ti would be D. sorry if it's wrong.
Explanation:
Exposure to environmental tobacco smoke causes approximately 45 to 46,000 non smokers to die of heat diseases annually. Smoking harms the cardiovascular system in many ways which include; damaging the lining of arteries, reduces HDL, good choresterol, Raises LML, bad cholesterol, increases blood pressure and heart rate, it also causes the platelets to stick together in the blood stream and speeds the development of fatty deposits in the arteries among other risk factors.
