AICE MAINR UNIT 9 MARINE COMMUNITIES EXAM QUESTIONS AND ANSWERS GRADED A+ 2025/2026

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AICE MAINR UNIT 9 MARINE COMMUNITIES EXAM QUESTIONS AND ANSWERS GRADED A+ 2025/2026

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AICE MAINR UNIT 9 MARINE COMMUNITIES EXAM QUESTIONS AND ANSWERS GRADED A+ 2025/2026

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AICE MAINR UNIT 9 MARINE
COMMUNITIES EXAM QUESTIONS AND
ANSWERS GRADED A+ 2025/2026

How does marine biodiversity contribute to climate control - ANS producers regulate
atmospheric increases in carbon dioxide concentration that can lead to climate change

what are the importances of marine biodiversity? - ANS climate control, providing food
sources, source of medicine

marine biodiversity is a source of _______________ - ANS new medicinal drugs

benthos - ANS bottom

what are examples of benthos communities? - ANS rocky, sandy, salt marsh

how many marine species are benthic? - ANS more than 98%

where are most benthos at? - ANS continental shelves

intertidal - ANS between high and low tides

1 @COPYRIGHT 2026 ALLRIGHTS RESERVED.

, what are the pros of rocky intertidal communities - ANS a lot of food, high biodiversity, stable

inundation - ANS flood

desiccation - ANS drying out

zonation - ANS prominent horizontal banding of organisms that live in a particular habitat

how do organisms in a rocky shore arrange themselves? - ANS the ability to withstand
desiccation

what retains water in rocky shores? - ANS tide pools

what level of an intertidal zone can tide pools be found? - ANS any level

splash zone - ANS area of rocky shore that is just above high tide and receives water through
splashing of waves

what are the four zones of a rocky intertidal zone? - ANS splash, upper shore, middle shore,
lower shore

what are two organisms that live in splash zones? - ANS periwinkle and limpets

what are adaptations of organisms in the splash zone? - ANS periwinkles can close
themselves in their shell to not dry up, by storing enough water to exchange gas

2 @COPYRIGHT 2026 ALLRIGHTS RESERVED.

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Uploaded on: February 17, 2026
Number of pages: 11
Written in: 2025/2026
Type: Exam (elaborations)
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