Please There is 2,500 kcal available for the 1 trophic level.
There is kcal available for the 2 trophic levels.
There is kcal available for the 3 trophic levels.
There are 2.5 kcal available for the 4 trophic level

Males of different species of the fruit fly drosophila that live in the same parts of the hawaiian islands have different elaborate courtship rituals. these rituals involve fighting other males and making stylized movements that attract females. what type of reproductive isolation does this represent?