Solar cells can provide the energy to run calculators, outdoor lights, and other devices. How does the conversion of light energy into stored electrical energy by solar cells compare to the process of photosynthesis?

What is the best-known carbohydrate?

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.

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