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MYP Biology Interactions with Environment Questionbank

Question

In the process of eutrophication, what is the specific biological role of decomposers in the formation of a 'dead zone'?

A

They prevent light from reaching the bottom of the lake

B

They utilize large amounts of dissolved oxygen while breaking down dead algae

C

They act as a primary food source for fish and invertebrates

D

They release excess nitrates and phosphates into the water

Question

True or False: The primary cause of oxygen depletion (hypoxia) in a dead zone is the rapid respiration of decomposers breaking down massive amounts of dead algae.

Why do ecosystems with higher biodiversity generally exhibit greater resilience following a disturbance?

Which statement best describes the difference between how energy and matter behave in an ecosystem?

Switching to renewable energy sources mitigates climate change primarily by reducing the __________ of the process, rather than removing carbon already in the atmosphere.

Practice MYP MYP Biology Topic Interactions with Environment with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for Interactions with Environment and mirrors Paper 1, 2 style where relevant.

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