What is the main function of structural adaptations?
a. they the organism survive in its environment.
b. they the organism find a mate in other environments.
c. they serve no useful purpose.
d. they provide a home for the organism.

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time