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colleen colleen
wrote...
Valued Member
Posts: 17076
12 years ago
To take advantage of ecotourism, a resort is built near a coral reef so that tourists can observe the spawning that occurs during the dark of the moon. Several species of colorful fish are also attracted by lights in the dark. Tour boats go out nightly and shine large spot lights to attract the fish. However, the coral have not spawned for three months now. What is the probable cause?
A) The fish are eating the spawn.
B) The tourists are too loud.
C) The coral need darkness to time their spawning, and the spot lights are mimicking the full moon, so spawning can't occur.
D) The fish are releasing a pheromone that interferes with spawning.
E) The spot lights are causing the coral to spawn every night rather than in large bunches.
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Sunshine ☀ ☼
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Answer accepted by topic starter
duddyduddy
wrote...
Staff Member
Top Poster
Posts: 7813
12 years ago
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