Flujo de materia y energía
5.2
Nuestro planeta funciona gracias a dos grandes procesos fundamentales que permiten el equilibrio ecológico: El flujo de energía y El flujo de materia Ciclos biogeoquímicos
Estos procesos son esenciales porque permiten la vida y regulan las condiciones necesarias para que todos los organismos puedan sobrevivir
Flujo de ENERGÍA
- El flujo de energía en la Tierra es un sistema abierto, lo que significa que la energía entra y sale de manera continua. La principal fuente de esta energía es la radiación solar. Aproximadamente el 10% de la energía emitida por el Sol corresponde a radiación ultravioleta (UV), el 45% a luz visible y el otro 45% a luz infrarroja.
la energía
- La energía se define como la capacidad para realizar trabajo. Puede manifestarse de diferentes formas: energía térmica (como el calor que emite una estufa), energía química (contenida en alimentos o combustibles), y energía lumínica (la luz emitida por el Sol).
Uso de la energía
Las plantas y otros organismos fotosintéticos capturan la energía solar mediante la fotosíntesis, convirtiendo esta energía lumínica en energía química almacenada en moléculas como la glucosa. Este proceso requiere luz solar, dióxido de carbono (CO₂) y agua (H₂O), liberando oxígeno (O₂) como subproducto.
Por ejemplo, un árbol absorbe CO₂ y luz solar para producir oxígeno y biomasa, generando alimento que luego será consumido por otros organismos en la cadena alimentaria.
Redes tróficas
La energía capturada por los productores se transfiere entre organismos mediante cadenas alimentarias, conocidas como redes tróficas. Las redes tróficas están compuestas por niveles.
Ciclos
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Flujo de materia y energía
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Transcript
Flujo de materia y energía
5.2
Nuestro planeta funciona gracias a dos grandes procesos fundamentales que permiten el equilibrio ecológico: El flujo de energía y El flujo de materia Ciclos biogeoquímicos
Estos procesos son esenciales porque permiten la vida y regulan las condiciones necesarias para que todos los organismos puedan sobrevivir
Flujo de ENERGÍA
la energía
Uso de la energía
Las plantas y otros organismos fotosintéticos capturan la energía solar mediante la fotosíntesis, convirtiendo esta energía lumínica en energía química almacenada en moléculas como la glucosa. Este proceso requiere luz solar, dióxido de carbono (CO₂) y agua (H₂O), liberando oxígeno (O₂) como subproducto. Por ejemplo, un árbol absorbe CO₂ y luz solar para producir oxígeno y biomasa, generando alimento que luego será consumido por otros organismos en la cadena alimentaria.
Redes tróficas
La energía capturada por los productores se transfiere entre organismos mediante cadenas alimentarias, conocidas como redes tróficas. Las redes tróficas están compuestas por niveles.
Ciclos
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With Genially templates, you can include visual resources to wow your audience. You can also highlight a particular sentence or piece of information so that it sticks in your audience’s minds, or even embed external content to surprise them: Whatever you like! Do you need more reasons to create dynamic content? No problem! 90% of the information we assimilate is received through sight and, what’s more, we retain 42% more information when the content moves.
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Let the communication flow!
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