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Hace 5 días · A species ( pl.: species) is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. [1] . It is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity.
Hace 3 días · Biodiversity (or biological diversity) is the variety and variability of life on Earth. It can be measured on various levels. There is for example genetic variability, species diversity, ecosystem diversity and phylogenetic diversity. [1] . Diversity is not distributed evenly on Earth.
Hace 5 días · human evolution, the process by which human beings developed on Earth from now-extinct primates. Viewed zoologically, we humans are Homo sapiens, a culture -bearing upright-walking species that lives on the ground and very likely first evolved in Africa about 315,000 years ago.
Hace 5 días · Human evolution is the evolutionary process within the history of primates that led to the emergence of Homo sapiens as a distinct species of the hominid family that includes all the great apes.
Hace 5 días · natural selection, process that results in the adaptation of an organism to its environment by means of selectively reproducing changes in its genotype, or genetic constitution. A brief treatment of natural selection follows. For full treatment, see evolution: The concept of natural selection.
Hace 1 día · Protegiendo a los nuevos jugadoresEvolution of Species 2https://play.google.com/store/apps/details?id=com.EvolutionOfGames.EvolutionOfSpecies2&pli=1
Hace 4 días · bee, (superfamily Apoidea), any of more than 20,000 species of insects in the suborder Apocrita (order Hymenoptera ), including the familiar honeybee ( Apis) and bumblebee ( Bombus and Psithyrus) as well as thousands more wasplike and flylike bees. Adults range in size from about 2 mm to 4 cm (about 0.08–1.6 inches). plasterer bee.
