Why would it be hard to find the ideal light intensity if the temperature were very hot or cold

In cold weather its rather hard to see because your eyes are constantly wanting to close and in heat you could hallucinate.I hope this helps

They are all in a iving organism.

1) the mayans built pyramids just like the egyptians. the mayans also used hieroglyphics like them.2) power was passed down by family. for example, if the father dies, the son would be the next king.3)they both built pyramids for their structures.4)the main crop for the mayans was maize.5)they also grew manioc, beans,  squash,  amaranth, and chile peppers.