Respuesta :
Well parrot fish eat algae. Then sea urchin eat little fish and this is the result of the food chain I explained this a little weird hope this helps though
Answer:
The grouper, parrot fish and angelfish population increased because there are less animals preying on them. Sea urchins decreased due to an increase in the number of animals preying on them. The rise in fish species preying on sea urchins enables algae to flourish.
Explanation:
