Name at least 3 different body systems and how they are being used while you walk and eat pizza at the same time. Try to include specific details about the organs in the body systems and how they work together. Please answer using your own words in complete sentences. PLEASE HELP I NEED TO PASS THIS OR ELSE I FAIL

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation: