Questions
FRST_V 303 101-107 2025W1 Final Exam Sections 103-104- Requires Respondus LockDown Browser
Multiple choice
What characteristics define the first photosynthetic organisms? (multiple answers)
Options
A.They were likely cyanobacteria.
B.They consumed other organisms for energy.
C.They used sunlight to produce energy.
D.They were aerobic (required oxygen to live).
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Step-by-Step Analysis
Question restatement: The prompt asks to identify characteristics that define the first photosynthetic organisms, and it allows multiple correct selections.
Option 1: 'They were likely cyanobacteria.' This is a widely supported view in biology: cyanobacteria are among the earliest known photosynthetic organisms and are credited with oxygenic photosynthesis, which transformed Ea......Login to view full explanationLog in for full answers
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