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A fish (pl.: fish or fishes) is an aquatic, anamniotic, gill-bearing vertebrate animal with swimming fins and a hard skull, but lacking limbs with digits. Fish can be grouped into the more basal jawless fish and the more common jawed fish , the latter including all living cartilaginous and bony fish , as well as the extinct placoderms and ...
En amarillo, el cromosoma 2. FISH o hibridación fluorescente in situ es una técnica citogenética de marcaje de cromosomas mediante la cual estos son hibridados con sondas que emiten fluorescencia y permiten la visualización, distinción y estudio de los cromosomas de núcleos en metafase o inferfase, así como de las anomalías que puedan ...
Hace 3 días · Learn about fish, the diverse group of vertebrate animals that live in water. Find out how fish are classified, what they look like, how they breathe, and why they are important for humans and the environment.
Learn about the diversity, evolution, and adaptations of fish, the vertebrates that live in water and have a backbone. Explore photos, videos, and stories of different fish species, from sharks and salmon to eels and sawfish.
3 de ene. de 2023 · Learn about the three main classes of fish: bony, jawless, and cartilaginous, and their characteristics, evolution, and exceptions. Find out how fish are diverse, cold-blooded, gill-breathers, and omnivorous, and how they have evolved over millions of years.
Learn about different types of fish, their habitats, and how they breathe. Explore facts and photos of blue marlin, bull shark, clown anemonefish, electric eel, and more.
Learn about the diversity, evolution, and adaptations of fish, the predominantly cold-blooded vertebrates that live in water. Find out about the external features, respiration, reproduction, and classification of fish, as well as some examples of shark species.
