Answer:
Vegetation def is: growing plants, or a life without physical, mental or social activity
Vegetative depends on the context. Mainly just means without brain activity
the population goes down
Explanation:
Large algal beds die, depriving marine iguanas, turtles and many fish of their staple diet. Once weakened, strong swells and sea urchins break apart complex coral habitats that sustain diverse species changing the environment.
You would use a Physical Model