symbiotic relationship with blue-green algae with fungi is known as :1 pointlichensaspergillusnostocyeast

Break Down the Problem

1. Identify the type of relationship involving blue-green algae and fungi.
2. List the options provided and determine which one refers to this specific symbiotic relationship.

Relevant Concepts

• A symbiotic relationship involving fungi and blue-green algae (or cyanobacteria) is known as a "lichen".
• Lichens are composite organisms that arise from the symbiotic relationship between a fungus and a photosynthetic partner—usually a green alga or a cyanobacterium (blue-green algae).

Analysis and Detail

• Lichens are significant because they can thrive in harsh environments, contribute to soil formation, and serve as bioindicators of environmental health.
• Aspergillus is a type of fungus but does not form a symbiotic relationship with cyanobacteria in the way lichens do.
• Nostoc is a type of cyanobacteria but is not specifically a term used for the relationship with fungi.
• Yeast refers to various single-celled fungi and does not define the symbiotic relationship with blue-green algae.

Verify and Summarize

The only correct term from the options given that describes the symbiotic relationship between fungi and blue-green algae is lichens.

Final Answer

The symbiotic relationship with blue-green algae and fungi is known as lichens.