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.
Yes, they are.
Minerals are the result of rock metamorphic cycles and other volcanic activities that result to these mixture of different minerals. Minerals can also be the cause of some biogeochemical cycles that occurs on the earth's different spheres.
B would be the closest thing to wht you are looking for.
the observable universe is estimated to contain 200 billion to two trillion galaxies.
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Answer:
oil
Explanation:
Since oil is a type of fats but in our body we call it lipid
Question: Which two cellular structures provide protection to the cell?
Answer: cellular membrane and cell wall
Explanation: it prtoects the cell these two protect the cell from the enviormental things around it
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(jacemorris04)
