You are in the car with your parents. The car stops at an intersection. An ordinary pedestrian is walking on the side walk. Do your parents make fun of the pedestrian?
How do they grow and reproduce? Each barnacles has both male and female organs (hermaphroditic), and can act either as a male or female, but not usually at the same time. No one knows what factors influence barnacles to act as males or females during mating. “Male” barnacles have a very long penis which is unrolled to transfer sperm to a nearby
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