Multiple choice

Photosynthesis is an activity carried out by

  1. photoautotrophs

  2. cynobacteria

  3. Both 1 and 2

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Photosynthesis is a process used by plants and other organisms to convert light energy, normally from the Sun, into chemical energy that can be later released to fuel the organisms' activities (energy transformation). Most plants, most algae, and cyanobacteria perform photosynthesis. Such organisms are called photoautotrophs.

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