Dr. han is studying what brain structure is associated with behavior among rats and is most likely to see the amygdala activated when using neuroimaging techniques.

Answer;

-Aggressive behavior

Dr. Han is studying what brain structure is associated with aggressive behavior among rats and is most likely to see the amygdala activated when using neuroimaging techniques.

Explanation;

-Aggression is a fascinating and distressing topic for the pet rat owner. We are  normally intrigued or amused by aggressive behaviors like chasing and sidling, but we hate it when our pets hurt each other.

-Aggressive behaviors are strung together into sequences that vary in their intensity and duration. The lowest intensity encounters are chases.

b.have there own function.

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?