Which of the following is the best description of an adaptation?
A.
a trait that was beneficial to survival in the past
B.
a trait that is of no advantage to survival
C.
a trait that will be beneficial in the future
D.
an environmental change that selects for certain traits
E.
a trait that is currently beneficial to survival



Answer :

E. because something may have to adapt to something they're not used to because of environmental effects 

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