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Hace 1 día · 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.
28 de jun. de 2024 · In biology, a species is the fundamental unit of taxonomy, the scientific system of categorizing life on Earth. And without the concept of a species, plenty of scientific endeavors, from...
7 de jul. de 2024 · Fish, any of approximately 34,000 species of vertebrate animals (phylum Chordata) found in the fresh and salt waters of the world. Living species range from the primitive jawless lampreys and hagfishes through the cartilaginous sharks, skates, and rays to the abundant and diverse bony fishes.
Hace 5 días · Bird, any of the more than 10,400 living species unique in having feathers, the major characteristic that distinguishes them from other animals. They are warm-blooded vertebrates more related to reptiles than mammals.
28 de jun. de 2024 · There are species in which individuals look very different from one another, as well as "cryptic species" that appear identical but are genetically distinct.
18 de jul. de 2024 · Endangered species, any species that is at risk of extinction because of a sudden rapid decrease in its population or a loss of its critical habitat. Previously, any species of plant or animal that was threatened with extinction could be called an endangered species.
5 de jul. de 2024 · A species is a kind of organism. It is a basic unit of biological classification , and a formal rank in taxonomy . Originally, the word was used informally in a rather vague way, but now there are at least 26 different ways it is used.
