Answer:
Its a substitution mutation because one of the specific base, G is replaced by A.
This is a Point Mutation because Point mutation brings changes in the structure of a gene because of the substitutions with another base pair. Like in this case, G is substituted by A. In case of frameshift mutations, there is a change in the number of nucleotides due to either insertions or deletions of the nucleotides, which is not in this case.
La Biología Viene Siendo Una Ciencia Que Estudia El Origen De La Vida Si Evolucion Sus Propiedades Y Sud Cuidados También Describe las Características Y Comportamiento De Las Especies De Todo El Mundo
El turismo Biologico :Es Una Propuesta para El Viajero Interesado por Conocer Los Componentes Naturales De Algún Lugar Como La Fauna Y La Flora
From my speculation it is loss of habitat and global warming
1.rivers and streams
2.seepage from the ground
the answer is algae because algae is an aquatic plant