Research in behavioral genetics has shown that identical twins reared apart often have similar personality traits. this result suggests that contribute(s) to personality. genetic inheritance environmental factors both genetic inheritance and environmental factors neither genetic inheritance nor environmental factors

Research in behavioural genetics has shown that identical twins reared apart often have similar personality traits. This result suggests that both genetic inheritance and environmental factors contribute to personality.

Personality traits are under a significant degree of genetic influence, usually influenced by a very large number of genes but environmental influences also play a strong role. The environmental factors tend to make family members more different from one another, not more similar.

the answer is c) an oak tree

answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.