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C habitat

Explanation: Biome would be less specific and examples of biomes are Tundra, Desert, and Aquatic (there are more).

Community would widely be referring to humans and people within that community and maybe businesses.

Niche- “In ecology, the term “niche” describes the role an organism plays in a community.“ -National Geographic Society

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation:

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