Examine Figure 1B for the same years you selected in question (3). What do you notice about the sign (positive or negative) and magnitude of the values of SOI on the y-axis?

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.

the answer is c on e2020, bud.