Courtship belongs to what class of behavior?

a. parental care

b. innate

c. predatory

d. learned

Courtship belongs to the class of "learned" behavior.

your answer is D. learned

~batmans wife dun dun dun...aka ~serenitybella

stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.