What is the main function of structural adaptations?
A.They help the organism survive in its environment.
B.They help the organism find a mate in other environments.
C.They serve no useful purpose.
D.They provide a home for the organism.
A.They help the organism survive in its environment.
B.They help the organism find a mate in other environments.
C.They serve no useful purpose.
D.They provide a home for the organism.