Bee orchids mimic female bees with which the males attempt to mate. Balanced diet of proteins, fats, diamonds. Seeds must pass through digestive tract of frugivore. Cleaner wrasseGroom other fish at cleaner station. Saber-toothed blennys mimic the wrasses.
Nutcracker caches the seeds in microclimates conducive to germination.
2 Generalizations Need for mutualism decreases with increased resource availability. Mutualisms are more common in stressful habitats. Per-capita benefits of mutualism in large populations may be reduced.