All evolutionary changes that allow a species to change in response to the environment are originally a result of a) beneficial dna mutations. b) movement to new environments where survival is easier. c) cross-breeding with other species of closely related organisms. eliminate d) adaptations that organisms make to the environment during their lifetimes.

D. adaptations that organisms make to the environment during their lifetimes.

Adaptation is a process in which changes occurs in an organism so as to make it better suited for the environment. It is the result of natural selection. In adaptation the traits of an organism gets modified by the process of natural selection which results in evolution of an organism.  

The answer was actually A.) Beneficial DNA Mutations

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human impact on the environment can be seen in the deterioration of the !

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meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse