Which genetic disorders, caused by an extra x chromosome (xxy), is characterized by a lack of testicular development in males, effeminate features, possible mental impairment, and a thin stature?

The genetic disorder with (XXY) is Klinefelter syndrome.

The genetic disorders which is caused by an extra X chromosome (XXY) is called Klinefelter syndrome. In this disorder additional copies of genes interferes with the development of testes. This means sufferer of this disorder produces less male sex hormone (testosterone) which results into small testes. Other features may develop such as enlarged breast, thin stature and mental impairment.

D)  Klinefelter's syndrome

Explanation:

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answer: decrease

a limiting factor is the one which decrease the abundance, distribution and causes extinction of the population of species in a ecosystem. here, predators including hawks, owls and snakes are the limiting factor for the population of mexican free tailed bat.   although bats are nocturnal animals as they forge for food at night these predators also may remain active during night which can decrease the population of the mexican free-tailed bats. also, these bats eat only one type of insects that are moths. the food can also be a limiting factor as all 400 members are dependent upon same type of food needs that are moths. the decrease in the moth population can cause decrease in population size of the mexican free-tailed bats.

therefore, the scenarios will most likely to decrease the population size of the mexican free-tailed bats.