Many populations in a specific area or region at a certain time make up a O Community O Niche O Ecosystem O Population

O Community

Explanation:

A community is made up of many populations within a specific area a certain period of time.

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:

allowed for the prediction of the properties of missing elements.