Question

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Answer 1

Answer:

Explanation:

Phtoplankton↔Zooplankton↔Fishes↔Seagull

(4) As the shark population has decreased,the starfish population will increase and limpets population will ultimately decrease..

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Answer 2

Answer:

iii. Phytoplankton - Sea urchin - Crab - Seagull

iv. Starfish and limpets will have more population. i.e. their population will increase because the sharks are there for balance as they eat them. If the sharks population is decreased,the population of limpets and starfish will increase and it may also affect the ecosystem

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