"First plant on Earth its thought" NYT crossword answer is:
MOSS (4 letters length)The answer for "First plant on Earth its thought" crossword clue is listed above to help you solve the puzzle you are currently working on.
The first plant on Earth is thought to have been a type of green algae known as a cyanobacterium. This ancient organism is believed to have been the first to produce oxygen through photosynthesis, which allowed for the evolution of more complex life forms. Scientists believe that this organism first appeared on Earth around 3.5 billion years ago, making it one of the oldest known life forms.