early photosynthetic life existed a long time ago
photosynthetic_plant is autotroph. human_beings has different_lifespans no_human has lived_longer_than_150_years photosynthetic_plant is plant_kingdom. photosynthetic_plant_chloroplast is tangible_thing. photosynthetic_plant is photolithoautotroph. technetium_99 has half_life_of_over_200,000_years turtles has long_lifespan photosynthetic_accessory_pigment is photosynthetic_pigment. photomechanics is photography.