Answer:
B, im hope my anss wer coorrect
i'll play lol. im avoiding doing history work so this is a welcome distraction
Complex behaviors that are innate, fixed, and universal are called instincts.
Instinct is a fixed response to a certain stimulus, or inclination towards a certain behavior which is universal, meaning that it happens in every organism. Instincts are innate, meaning that you are born with them and cannot learn them.
Yes because it takes up space and anything that takes up space weighs something (anything with mass has weight)