a) Name the:
i. producer
ii. primary consumer
iii. secondary consumer
iv. tertiary consumer
Primary means first. Secondary means second. Tertiary means the third in this
case.
b) The ecosystem is the living organisms together with the invisibly linked and
mutually interactive.
c) The living part off the ecosystem can be divided into:
i. food producers - mainly green plants
ii. food consumers - which are macro consumers (animals which eat other or-
ganisms)
iii. or decomposers (bacteria or fungi which break up dead organisms)2.
a) Describe what you understand by the term algal bloom
b) With reference to above diagram, name the abiotic factor that is responsible for
the bloom and how the factor reached the Antarctic Ocean.
c) Discuss the role decomposers could play in this ecosystem.288 9.9. Summary