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fisheries, forests, grasslands and croplands
Wiki User
∙ 11y ago
Wiki User
∙ 12y agoAccording to the book The Global Economic Prospect of Mr Lester R. Brown; the earth's principal biological systems are four :- fisheries,forests,grasslands,and croplands.
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What type of star system is earths sun?
It SOLAR SYSTEM you.....?
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.
Which planet in the solar system has a huge storm system that is the size of the earth?
Jupiter... The storm can fit 2-3 earths inside.
Which earth system includes humans?
Earth system is a self regulatory system that comprise of physical, biological, chemical, and human systems within it. The earth system that includes humans is called biosphere.
Do other planets have an atmosphere like earths?
Not in our solar system. Nor have any been found elsewhere to date.
How did oxygen first enter earths athmosphere?
biological process
How was the problem of overcoming earths gravity solved?
The Bernoulli principal (the airfoil of wings).
The principal organ of the renal system is the?
The kidneys are the principal organ.
Does biological science relate to pharmacology?
Yes. Most certainly. Pharmacology is the study of how drugs (pharmaceuticals) behave in a biological system. Namely the pharmacokinetics (effect of the biological system on the drug) and the pharmacodynamics (effect of the drug on the biological system) of a pharmaceutical of interest.
What is earths system?
The Solar system. That is the system of the star Sol.
What are four principal divisions of criminology?
The four principal divisions of criminology are sociological criminology, psychological criminology, biological criminology, and criminal justice. Sociological criminology examines how social factors contribute to criminal behavior, psychological criminology focuses on the mental processes influencing criminal behavior, biological criminology explores genetic and neurological factors in crime, and criminal justice involves studying the legal system's response to crime.
Which area of earth science that examines physical and biological changes that have occurred in earths past are called?
Cosr
The basic biological unit in the Linnaean system of biological classification?
The basic biological unit in the Linnaean system of biological classification is the species. It is the fundamental category for classifying living organisms based on shared characteristics and reproductive compatibility.
How uv rays affected biological system?
UV rays are high frequency rays. They affect the biological system by killing beings.
What type of star system is earths sun?
It SOLAR SYSTEM you.....?
What is earths position in the solar system according to its size?
Of the eight planets in our solar system, Earths is the fifth largest or the fourth smallest.
How did the seperation of earths continents affect biological evolution?
populations adapted to the new conditions of each region :) . _ NovaNET
