Question 8 (3 points) Which of the following constitutes a gene pool?
all of the genes of a single individual
the genes of all the same species interacting in one area
All of the different animals which frequent the watering hole in a community
all genes of a species all over the world.

i would say the prokaryotic cells the prokaryotic cells are less complex, are usually found only in unicellular organisms and have more limited capabilities than eukaryotic cells.

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: