Scientists use specific levels of organization to analyze the biosphere. which level of organization describes a school of anchovies or a gaggle of geese?

Population is the level of organization that describes a school of anchovies or a gaggle of geese

A population is a group of organisms of a particular species that live in the same geographic area at a given time and interact with one another. The population of a particular species shares a certain characteristics of interest. There is a close interaction between the species, in which they undergo interbreeding, and share habitat and food.

preservation because he preserves part of the land and preserves means save

explanation:

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).