Which of the following photosynthetic bacteria carries out oxygenic photosynthesis and most likely altered Earth's atmosphere by significantly contributing to the accumulation of oxygen gas? a. Green sulfur bacteria such as Chlorobium
b. Cyanobacteria, such as Anabaena and Prochlorococcus
c. Purple sulfur bacteria
d. Green nonsulfur bacteria such as Chloroflexus.

explanation:

okay now i don't know this but for the pints nothing else to say bye

some fungi obtain their nutrients from a living host (plant or animal) and are called most biotrophic fungi have fairly narrow host ranges—they are specialized on a limited called rhizomorphs that allow the fungus to grow from one tree to another. ascospores are formed inside a sac-like structure called an ascus. so your answer is a