Is a belly button an adaptive trait

Concave belly button shape psychological example toddlers' ability to learn to talk with minimal instruction.Apa dictionary of psychology nonadaptive trait a trait that has no specific value with respect to natural selection, being neither useful nor harmful for reproductive success.Which of the following statements is false?Explain that sometimes, traits aren't adaptive at all (as in belly buttons), and sometimes, adaptive traits take on new adaptive roles (as in forearm feathers), and sometimes traits lose their original adaptive function (as in human tailbones).Traits are not always adaptive.

In effect cerebral dominance is a symptom of a neurodegenerative condition rather than an advanced adaptive trait.A genetic mutation can be beneficial to an organism.Genetic variation within a pop.A trait that helps an organism survive and reproduce.One of the tasks of evolutionary psychology is to identify which psychological traits are likely to be adaptations, byproducts or random.

A trait that has no specific value with respect to natural selection, being neither useful nor harmful for reproductive success.Of course, the natural world is full of adaptations — but it is also full of traits that are not adaptations, and recognizing.What traits are not adaptive?There are over 340 different breeds of dogs.