Answer:
The genotype is the part of the genetic makeup of a cell, and therefore of any individual, which determines one of its characteristics (phenotype).
I think this would be the environment. That's my guess
It is referred to as Xylem tissue.
Answer:
Scientists have identified a key difference in the way our immune systems respond to viral and bacterial pathogens. ... These hormone-like molecules control communication between cells to trigger defensive action by the body's immune system when pathogens such as bacteria, viruses, or parasites are detected.
Explanation: