When Squids That Contain Luminescent Bacterial Symbionts Hatch, They Do

question 5

Multiple Choice

When squids that contain luminescent bacterial symbionts hatch, they do NOT contain a bacterial symbiont. Symbiont transmission in this symbiosis is

• A) vertical from parent to offspring.
• B) horizontal and involves specific selection of the symbiont from the environment.
• C) random and results in various different species being selected as the symbiont.
• D) mixed and results in multiple symbiont species colonizing the squid at once.

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