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:
what is the average length of a cobra?
Explanation:
biology is the study of life.
Cellular respiration : aerobic :: fermentation : anaerobic
Answer:Argon is the third noble gas, in period 8, and it makes up about 1% of the Earth's atmosphere.
Explanation: because ik trust me lmk if im right and give my brainliest answer and likes plz