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.
In 1985, a Cabbage Patch Kid by the name of Christopher Xavier became the first doll to travel aboard a NASA U.S. space shuttle, and in 1992, the doll became the mascot of the U.S. Olympic team, further confirming the dollsâ popularity.he dolls were featured on a wide range of memorabilia ranging from clothing, figurines, and DVDs. In 1990, the Cabbage Patch Kids made their way onto a United States postage stamp commemorating the 1980s.