Why do moderate levels of disturbance result in an increase in community diversity?

a. the resulting uniform habitat supports stability, which in turn supports diversity.
b. competitively dominant species infrequently exclude less competitive species after a moderate disturbance.
c. less-competitive species evolve strategies to compete with dominant species.
d. habitats are opened up for less competitive species.

Grade 91.)the gravitational pull from the moon words).2.) what is the rate of gravitational 3.)if you drop a hammer, is it more likely to drop handle side down, head side down, or equal chance that it will land either way? why? 4.)a car moves 60km east and 90km west.a.) what is the distance the car traveled? b.) what is the car's displacement5.)what is the average velocity of a car that moved 60 km south in 3 hours? 6.) a car starts from rest and acceleration to 60 m/s over a time of 5 seconds. what is the acceleration of the car? 7.)what is the speed of an object at rest?