holly yates was surprised to learn that , which is a hormone secreted by fat cells, travels to the brain and controls the balance of food intake and energy expenditure.

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explanation:

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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.

population. population is the number of people or animals in a particular place. an example of population is over eight million people living in new york city.

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maybe because its impossible for balloons to lift a whole entire house.