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Q: What are the earth principal biological systems why have they been depleted and how can they be preserved?
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How are the earth's principal biological system being depleted?

the four biological systems are fisheries,forests, grasslands, cropland. It is depleted because of over fishing, forest disappear for firewood, grassland and converted into barren wasteland and cropland deteriorate. Their productivity is badly affected as they are reaching now an unsustainable level. so the life support in earth os being depleted fast.


The ailing planet the green movements' role- the required question is How are earths' principal biological systems being depleted?

Earth's principal biological systems are being depleted due to human activities such as deforestation, habitat destruction, pollution, overfishing, and climate change. These activities are disrupting the balance of ecosystems, leading to loss of biodiversity, degradation of soil and water quality, and decline in essential ecosystem services. This depletion poses a significant threat to the health of the planet and all living organisms.


What are the earth's principal biological system?

fisheries, forests, grasslands and croplands


When was Journal of Biological Systems created?

Journal of Biological Systems was created in 1993.


What are the simplest infectious biological systems?

Viroids


Systems biology is mainly an attempt to?

Understand the behavior of entire biological systems.


How have computers expanded biological research?

They simulate complex biological systems that cannot be studied directly


What is a Biological organization?

Biological organization is also known as the hierarchy of life. It is the hierarchy of complex biological structures and systems that define life.


What is Biological organization?

Biological organization is also known as the hierarchy of life. It is the hierarchy of complex biological structures and systems that define life.


How many principal river systems are in Georgia?

Eight


What kind of an effect does xenon have on biological systems?

It has no effect.


What are Molecules that act as catalysts in biological systems?

Enzymes.