Many Species of Corals Spawn on the Same Nights Because

question 21

Multiple Choice

Many species of corals spawn on the same nights because

• A) They hope to maximize interspecies gamete contacts
• B) The most phytoplankton food is in the water on these nights
• C) The species are keyed into the same astronomical cycles, in order to maximize intraspecific gamete contact
• D) These nights are very dark and one can avoid predators

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