Answer: Kin selection follows Hamilton's Rule, which suggests that if the benefit of a behavior to a recipient, taking into account the genetic relatedness of the recipient to the altruist, outweighs the costs of the behavior to the altruist, then it is in the altruist's genetic advantage to perform the altruistic behavior.
Explanation: Science
Certain genes that allow for a certain thing to happen are turned on or turned off as needed. A brain cell may have the gene needed to send electrical pulses to other brain cells or other parts of the body, whereas a heart cell may have the genes that allow it to contract to pump blood. (I don't know if those are real genes, but hopefully you get the idea)
<u>True</u>, the new moon is invisible to Earth because it's unilluminated
side is facing the earth
<em>While the illuminated side is facing the sun.</em>
Hope that helps!
Answer:
D
Explanation:
It stabilizes Earth's axis tilt
