If You Put an Autotrophic Euglena Species in Pond Water

question 63

Multiple Choice

If you put an autotrophic Euglena species in pond water and placed it in the dark,what would be the most likely outcome?

• A) It would produce an excess of photosynthetic pigment.
• B) It would produce an excess of photosynthetic pigment and secrete excess sugar compounds.
• C) It would die.
• D) It would stop using its chloroplasts to synthesize organic compounds and begin feeding on organic material floating in the pond water.
• E) Nothing would happen.

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