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biology 0610printed 285 · PDF 285
328 pagesrevision 46933
printed 285 · PDF 285
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(b) Explain the effects of the excess fish pieces and waste excreted from the salmon on the
environment.
_The.decomposition.of waste py.
.microorganisms. reduces. oxygen. available........
_This.contributes.to.an.algae.bloom, resulting...
in.the.death.of.aquatic.plants.and.animals........
(d) Other farmers grow seaweed. Salmon farming is a less energy efficient way of producing food
for humans than seaweed farming.
Explain why.
salmon...Energy.is.lost.in. between. trophic...........
levels, Energy.is.lost.in.movement.and
muscle contraction. This altogether makes...
[Total: 8]
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