An experiment was conducted by Diane Dodd in which a single population of fruit flies was divided into two, with one of the populations fed with starch-based food and the other with maltose-based food. After the populations has diverged over many generations, the groups were again mixed; it was observed that the flies continued to prefer mating with others from the same original population. This process could eventually result in:.

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

the transfer for conduction is the heat transfering from the liquid to the spoon

the transfer for convection is the heat rising from the liquid to the air

the transfer for radiation is the heat going through the sides of the cup and to the air

at least that is what i would do