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When Did Cyanobacteria First Begin Producing Oxygen

question 69

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When did cyanobacteria first begin producing oxygen?


Definitions:

Mycorrhizal

Mycorrhizal relationships are symbiotic associations between fungi and the roots of plants, enhancing nutrient and water absorption.

Fibrous

Consisting of or characterized by fibers, often referring to a type of tissue in plants or the structure of certain muscle tissues in animals.

Haustoria

Specialized structures of parasitic plants or fungi that penetrate host tissues to extract water and nutrients.

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