i) Algae
ii) Killer whale
b) Algae ----> Krill ------> Adelie penguin -------->leopard seal.
c) i) Ross seal are food for the leopard seal; therefore their population will decrease because they will only depend on adelie penguins; whose population will also decrease.
ii) Fishing; farming along the river bed; mining; wastes disposal in the river.
d) Krill;
sharon kalunda answered the question on September 19, 2019 at 12:36
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