Most developmental psychologists believe that development is the result of nature and nurture acting separately genetic traits the interaction between nature and nurture environmental influences

nature and nurture

Explanation:

According to my research on studies conducted by various developmental psychologists, I can say that based on the information provided within the question they believe that development is the result of nature and nurture working together. This is because they believe that these two categories are correlated, therefore an event in one can affect the other and vice versa.

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a. by using fur or clothes to trap heat energy near the body

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".