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m_a_m_a
3 months ago
8

You live in a city in Florida on the Gulf of Mexico and are trying to figure out why the water at the beaches turned bright gree

n for several months during the summer. You discover the green comes from a photosynthetic organism that grew at great numbers due to fertilizer spill in a nearby river. You have isolated the organism and are now testing its DNA. You extract all the DNA from your sample and find that there are three distinct kinds of DNA. Which of the following organisms could have been responsible for the bloom: fungus, bacteria, or protist? How do you know?
Biology
1 answer:
inysia [2.3K]3 months ago
5 0

Las algas azul-verdosas impactan el agua dulce y están directamente relacionadas con el escurrimiento agrícola y urbano.

Las fuertes lluvias de la primavera pasada probablemente causaron que el Lago Okeechobee liberara agua con algas azul-verdosas hacia ríos y canales. La espesa capa verde se deslizó sobre embarcaderos, represas y ríos, fluyendo a través de afluentes hacia el océano.

Las algas azul-verdosas (cianobacterias) son un tipo de microorganismos procariontes y autótrofos que cuentan con pigmentos fotosintéticos (clorofila y ficocianina), por lo que su ADN muestra que son bacterias.

Bacterias es la respuesta correcta.

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