What are the two main forms of energy that power living systems

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.

Which of the following is a common response to cell signaling?