Vibrio fischeri symbionts benefit the Hawaiian bobtail squid by Group of answer choices mimicking the light of the moon, which helps the squid avoid nocturnal predators. degrading the cellulosic cell walls of the phytoplankton the squid eats. providing essential amino acids missing from the squid's diet and degrading the cellulosic cell walls of the phytoplankton the squid eats. providing essential amino acids missing from the squid's diet.