Which is the best example of commensalism?
Honey bees feed on the pollen of cornflowers and help the flowers reproduce
Barnacles ride on a gray whale's back to obtain food, and the whale is not harmed.
Squirrels and chipmunks eat the same nuts in a forest where food is scarce.
Prairie dogs often collect and eat food in groups so they are better protected from enemies.

I'm pretty sure its B: Barnacles ride on a gray whale’s back to obtain food, and the whale is not harmed.

Explanation:

IM TAKING THE TEST ITS (B)

Explanation:

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videntify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.