The neuron releases chemical messengers. Otherwise, there would be no 'signal transduction' in the postsynaptic cell. So, your answer is B.
Number 6 is c. number 7 is a. and i'm not sure
of number 8 sorry
Natural selection can cause speciation, which increases the biodiversity of an ecosystem. Several bacterial colonies are placed on a petri dish that contains agar with antibiotics. After 24 hours, ninety percent of the original bacteria die, but the remaining ten percent survive and later reproduce.
Answer:
A. Hydrogen atoms are split in fission.
Explanation:
The sun is powered by fission
