We concentrated on the cyanobacteria because they are more plant-like, especially because they contain chlorophyll a and produce oxygen as a byproduct of photosynthesis.
(We; concentrated; on the cyanobacteria; because they are more plant-like, especially because they contain chlorophyll a and produce oxygen as a byproduct of photosynthesis) (they; are; more plant-like) (they; produce; oxygen; as a byproduct of photosynthesis)
We they they
concentrated are produce
on the cyanobacteria because they are more plant-like, especially because they contain chlorophyll a and produce oxygen as a byproduct of photosynthesis
more plant-like
oxygen as a byproduct of photosynthesis