Answer:
Early cyanobacteria in stromatolites are thought to be responsible for increasing the amount of oxygen in the primeval Earth's atmosphere through their continuing photosynthesis. They were the first known organisms to photosynthesize and produce free oxygen.
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Is it a question or ... no ?
(Bottom to top)
Biosphere- The ecosystem comprimising the entire Earth & the living organisms that inhabit it. Example: Where life occurs on, Earth
Biome- A large naturally occuring community of plants and animals Example: Rainforest, Tundra, Desert, Marine, Grasslands, etc
Ecosystem- A community of living organisms called producers, conumers, decomposers. Example: Plants (Producers) Rabbits (Consumers) Worms (Decomposers)
Community- Interacting group of various species Example: A forest of trees inhabited by animals.
Population- Traits of a group of plants and animals Example: 4 rabbits have broenn fur and 2 have black fur in a group.
Individual- Individual organisms Example: An otter is a organism
Abiotic examples- Air, soil, sunlight, or water
Biotic examples- A frog, a leaf, or a tree
Answer:
amino acids
Explanation:
(if you are confused, I recommend watching the videos from Khan Academy and The Amoeba Sisters.)
