Which of the following statements is NOT a limit of natural selection? adaptations are usually compromises
historical constraints influences current body structures and processes
existing genetic variation of a population
females choose males based on physical features
interaction with the environment and other mechanisms of change

I'm sorry to hear that. i will try to answer your other questions if it is within my ability. : )answers: my favourite colour is black.my favourite food is pasta.my favourite school subject is english, but i do also like lunch time.my least favourite subject is history as well as geography. i have currently garnered a quite equal hatred for both of the subjects.what about you? well, you for the points. : )

It is called the medulla oblongata or people usually call it medulla. it is the lower half of the brain stem continuous with the spinal cord. 

Yes yes yes very good

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