Metaphorically:
Having a low population is like vey
much like flipping a coin once
(think of the coin as genetics)
and
Having a large population is like
flipping a coin multiple times
The thalamus - serves as the relay center of the brain where most senses are routed for processing.
Typical methods of classroom scientific communication depending on the level of study could include a range of these activities which have been listed in the answers. However, at the elementary, middle, and high school levels it would be safe to argue that the typical methods of communication are B) lectures, lab reports, term papers, and poster presentations. At higher levels would some of the other methods of communication be used such as scientific journals, oral presentations, lectured, conferences, etc.