Agroup of similar organisms that look somewhat alike, can reproduce, and whose offspring are fertile is known as a(n)

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above

What is a general feature of a species that varies from one individual to the next (skin tone,eye color or hair color)? a.organism b.trait c.character