The gamete that contains genes contributed only by the mother is an egg
The <span>Hubble Space Telescope was the telescope that was launched in 1990.</span>
Answer:
I think it is ether B or C
Hope this helps, please tell me if I am wrong
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.