What observation led Darwin to believe that the A. Demarlii is terrestrial? A. They are found only in the center of the island.
B. They weigh between ten and fifteen pounds.
C. They slowly crawl along the ground.
D. They have yellow-orange bellies.
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What role do traits play in affecting an organisms ability to reproduce? finches

Why is excretion necessary to maintain homeostasis?

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?