WebThe genus Homo evolved from Australopithecus. Though fossils from the transition are scarce, the earliest members of Homo share several key traits with Australopithecus. The earliest record of Homo is the 2.8 million-year-old specimen LD 350-1 from Ethiopia, and the earliest named species are Homo habilis and Homo rudolfensis which evolved by 2.3 …

WebSpecies forming a complex have typically diverged very recently from each other, which sometimes allows the retracing of the process of speciation.Species with differentiated populations, such as ring species, are sometimes seen as an example of early, ongoing speciation: a species complex in formation.Nevertheless, similar but distinct species …

WebBiodiversity is not evenly distributed, rather it varies greatly across the globe as well as within regions. Among other factors, the diversity of all living things depends on temperature, precipitation, altitude, soils, geography and the presence of other species.The study of the spatial distribution of organisms, species and ecosystems, is the science of …

WebThe ensatina (Ensatina eschscholtzii) is a species complex of plethodontid (lungless) salamanders found in coniferous forests, oak woodland and chaparral from British Columbia, through Washington, Oregon, across California (where all seven subspecies variations are located), all the way down to Baja California in Mexico. The genus Ensatina originated …

WebEdward Osborne Wilson (June 10, 1929 – December 26, 2021) was an American biologist, naturalist, entomologist and writer. According to David Attenborough, Wilson was the world's leading expert in his specialty of myrmecology, the study of ants. He was nicknamed the "ant man". Wilson has been called "the father of sociobiology", "the father of …

WebTragopogon, also known as goatsbeard or salsify, is a genus of flowering plants in the family Asteraceae.It includes the vegetable known as salsify, as well as a number of common wild flowers.. Salsifies are forbs growing as biennial or perennial plants.They have a strong taproot and milky sap.They generally have few branches, and those there are …

WebChim (danh pháp khoa học: Aves) là tập hợp các loài động vật có xương sống, máu nóng, đi đứng bằng hai chân, có mỏ, đẻ trứng, có cánh, có lông vũ và biết bay (phần lớn). Trong lớp Chim, có hơn 10.000 loài còn tồn tại, giúp chúng trở thành lớp đa dạng nhất trong các loài động vật bốn chi.

WebIn the natural sciences, gradualism is the theory which holds that profound change is the cumulative product of slow but continuous processes, often contrasted with catastrophism.The theory was proposed in 1795 by James Hutton, a Scottish geologist, and was later incorporated into Charles Lyell's theory of uniformitarianism.Tenets from both …

WebThe exact process of hybridization and speciation which resulted in the octoploid species is still unknown, but it appears that the genome compositions of both F. chiloensis and F. virginiana (and by extension the cultivated octoploid strawberry as well) are identical. Subspecies. Flower of F. chiloensis subsp. chiloensis forma chiloensis. There are a …

WebThe Coral Triangle (CT) is a roughly triangular area in the tropical waters around the Philippines, Indonesia, Malaysia, Papua New Guinea, the Solomon Islands and Timor-Leste.This area contains at least 500 species of reef-building corals in each ecoregion. The Coral Triangle is located between the Pacific and Indian oceans and encompasses …