Answer:
I think the answer the will be option
a) the cells form long vertical tubes
Explanation:
This is because xylem transports water and minerals throughout the plant and they are long and vertical tubes
The answer would be: C) sexual selection.
Sexual selection happens where one of the individuals choose the partner to sex based on some criteria. In this case, the ability to have a beautiful bower will determinate the ability of the bird to have sex and produce offspring. The criteria are not limited to visual. It could be diverse in other cases, like a deeper croak in frog
The answer is electric force!
