Differential Interference Contrast Image Gallery

Frog Testes (Meiosis)

Typically, male frogs desiring to breed use mating calls to attract females, who are able to differentiate their own species based on the sound and location of the call. When a potential mate arrives, the male clasps her from behind in a copulatory embrace known as an amplexus. Sperm is ejected onto the eggs as they are released by the female. The eggs, which vary in number depending on species, then float or sink in the tranquil water until they eventually hatch into tadpoles.


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