Ecology is not synonymous with environment, environmentalism, natural history, or environmental science. It is closely related to evolutionary biology, genetics, and ethology. An important focus for ecologists is to improve the understanding of how biodiversity affects ecological function.ommunity ecology examines how interactions among species and their environment affect the abundance, distribution and diversity of species within communities. Community ecology is the study of the interactions among a collections of species that inhabit the same geographic area.
Definition: A matryoshka (plural: matryoshki) is a Russian nesting doll. Nesting dolls are often used as symbols of Russian culture, but matryoshka dolls have their origins in similar dolls made in Japan. Matryoshka dolls are popular souvenirs. It's possible to buy very simple matryoshki in sets of five or seven.
Madame Hendren Composition Doll by Averill. This 16 inch tall doll, circa the 1920s, is an early composition mama type doll made by the Averill Manufacturing Company. The companyâs doll trademark name was Madame Hendren. This doll has a composition shoulder head with green tin sleep eyes, and an open mouth with two upper teeth and a separate tongue.