Photosynthesis organisms are usually

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

the answer would be   10%

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully