Answer:
Genotype is what you can’t see physically and phenotype is the physical characteristics of that organism.
Explanation:Genotype is known as the genetic makeup of an organism. Think the genes behind what your seeing.
Phenotype is the physical characteristics of an organism. For example:freckles,eye color, open or closed earlops..... things of that nature.
Answer:
low level of calcium would result in fewer signals sent between pre and post synaptic cells.
Explanation:
The calcium has a main role in signal transmission mechanism and here is the mechanism :
1-the impulse reaches the synapse (depolarization which is a voltage change).
2-the voltage gated calcium channels open and let calcium flow into the cell.
3-the calcium causes the synaptic vesicles to rupture and release chemical transmitters which cross the synaptic cleft and finally bind to receptors on the post synaptic cell (transmitting the signal)
so it's obvious that if calcium concentration decreases, the signal transmission also decreases.
Carbon dioxide removal (CDR)
Answer:
the answer is the second option you gave