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An example of external fertilization.

An example of external fertilization.
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Description: The male pickerel frog (Rana palustris) clasps the female, which stimulates her to release her eggs. He then releases his sperm (not visible here) over the eggs. This process occurs in aquatic environments, which protect gametes from drying out. In Canada, these frogs live in Ontario, Quebec, New Brunswick, Nova Scotia, and Prince Edward Island.
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Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=1274
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