The Remora remora, or suckerfish, often attaches to larger organisms such as sharks and whales through the use of a specialized sucker. This interaction enables the remora to feed on the scraps of food that remain from the larger organism’s meal. Typically, the larger organism is unaware of, and unaffected by, the remora. Which type of interaction occurs between the remora and its host organism?
Which is most likely to help an introduced species become invasive?
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