What is the major difference between lakes and ponds?

Ponds have plants growing in them while lakes do not.

Lakes are temporary while ponds are permanent.

Light reaches the bottom of a pond, but does not reach the bottom of a lake.

Ponds are man made while lakes are natural

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tsd is temerature dependent sex determination.

tsd: it is a type of environmental sex determination in which the temperature experienced during embryonic/ larval development (ambient temperature for development) determine the sex of the offspring.

crocodile displays the tsd where the ambient temperature of the developing egg determines the individual's sex. for example in the american alligator's eggs, incubation at 33 ºc produces mostly males, while incubation at 30 ºc produces mostly females. so if the american alligator's egg will get the ambient temperature (33 degree celcius)during embryonic development from egg, the offspring will be male and same for the female sex determination.