C. Costal surface.
Please please pleaseeee tell me if this is wrong.
The one that says "<span>A tapeworm lives inside the intestines of a pig, robbing the pig of nutrients it needs."</span>
Answer: Behavioral genetics
Explanation: This concept indicates that our genes influence our environment and in return, the environment influences our genes. Behavioural genetics has therefore expressed gene-environment interactions on the behaviour of an individual.
