EVERYDAY SCIENCE

SCIENCE

ENVIRONMENTAL SCIENCES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Sea Turtle hatchlings require a full moon to find their way to the sea. Why could coastal residences be required to turn off lights at night during this time?
A
The excess light pollution causes sea turtles to move to the shore instead of following the full moon to the sea.
B
The excess light pollution causes sea turtles be more easily seen by predators.
C
The excess light pollution has no impact on the sea turtles.
D
None of the above
Explanation: 

Detailed explanation-1: -The moon phase has not been scientifically proven to influence sea turtle nesting and hatching behavior. These behaviors can be observed on any given night during the sea turtle nesting season (May-October). Their development and behaviors are actually more influenced by water and sand temperatures.

Detailed explanation-2: -Do hatchlings need a full moon to find the ocean after they emerge from their nests? This is a myth. Hatchlings emerge from their nests at all phases of the moon and successfully find the ocean.

Detailed explanation-3: -Hatchlings usually wait until night to emerge from the nest. Emerging at night reduces exposure to daytime predators. Studies have shown that some nests will produce hatchlings on more than one night. For most sea turtle species, undisturbed nests can have more than 90% of the clutch successfully hatch.

Detailed explanation-4: -The marine reptiles use Earth’s magnetic field as a guide back home, new study says. For loggerhead sea turtles, home is where your (magnetic) heart is. After hatching on beaches around the world, these huge marine reptiles undertake multiyear, epic migrations at sea.

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