Question
Which of the following historic events occurred first?(1 point)
Responses
Bryophytes become the first land plants
Bryophytes become the first land plants
Cyanobacteria become the chloroplasts of plants
Cyanobacteria become the chloroplasts of plants
Plants evolve vascular tissue
Plants evolve vascular tissue
Cyanobacteria began to photosynthesize
Responses
Bryophytes become the first land plants
Bryophytes become the first land plants
Cyanobacteria become the chloroplasts of plants
Cyanobacteria become the chloroplasts of plants
Plants evolve vascular tissue
Plants evolve vascular tissue
Cyanobacteria began to photosynthesize
Answers
GPT-4o mini
The event that occurred first among the options provided is:
**Cyanobacteria began to photosynthesize.**
Cyanobacteria are among the first organisms to perform photosynthesis, which began more than 2.5 billion years ago, leading to the production of oxygen in the atmosphere. The other events followed later in Earth's history.
**Cyanobacteria began to photosynthesize.**
Cyanobacteria are among the first organisms to perform photosynthesis, which began more than 2.5 billion years ago, leading to the production of oxygen in the atmosphere. The other events followed later in Earth's history.