The reproductive system has four functions: To produce egg and sperm cells. To transport and sustain these cells. To nurture the developing offspring.
Answer:
1. Presynaptic cell 2. Postsynaptic cell and 3. Neurotransmitters
Explanation: Just did the assignment
A food chain can usually sustain no more than six energy transfers before all the energy is used up. And so less energy is transferred at each level of the food chain so the biomass gets smaller.
Commensalism is when one organism B. Benefits and the other is unaffected.