Note the Location of the Air Bladders in the Following

question 31

Multiple Choice

Note the location of the air bladders in the following illustration of the kelp;how might these structures represent an adaptive advantage?

• A) Kelp can live in deeper water,more distant from the surface,by storing carbon dioxide for future photosynthesis.
• B) The bladders act like root nodules in terrestrial plants,housing the various organisms that convert dissolved nitrogen into forms usable by the kelp.
• C) By acting as floats,the bladders aid in orienting the photosynthetic cells within the blade toward the surface and sunlight.
• D) Waste gases can be stored within the bladders rather than polluting the habitat of the kelp.

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