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Discuss the role of healthy ecosystem se...

Discuss the role of healthy ecosystem services as a pre-requisite for a wide range of economic, environmental and aesthetic goods and services.

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**Step-by-Step Solution:** 1. **Introduction to Ecosystem Services:** - Ecosystem services are the benefits that humans derive from natural ecosystems. These services are essential for sustaining life and are categorized into four main types: provisioning, regulating, supporting, and cultural services. 2. **Provisioning Services:** - These services include the production of food, fresh water, wood, fiber, and other resources. Healthy ecosystems provide the raw materials necessary for economic activities, such as agriculture, forestry, and fisheries. ...
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Ecosystem services such as education, recreation and aesthetic value comes under this category

Biodiversity plays a major role in many ecosystem services that nature provides . This is related to which reason for conservation of biodiversity ?

Mention four significant services that a healthy forest ecosystem provide. OR Substantiate with help of one example that in an ecosystem mutualists (i) tend to coevolve and (ii) are also one of the major causes of biodiversity loss.

Assertion : Broadly utilitarian arguments say that we should conserve biodiversity because biodiversity plays a major role in many ecosystem services that nature provides. Reason : Expolration of molecular, genetic and species level diversity to obtain the products of economic importance is include under broadly utilitarian category. (a) If both assertion and reason are true and reason is the correct explanation of assertion. (b) If both assertion and reason are true but reason is not the correct explanation of assertion. (c) If assertion is true but reason is false. (d) If both assertion and reason are false.

Question 37 and 38 refer to the following information The U.S. federal Government tracks the Consumer Price Index (CPI)- a comprehensive standard used to estimate the average price change for the typical goods and services purchased by consumers. This measure gives economics a useful way to estimate the rates of the inflation or deflation, which reflects the respective general increase or decrease of prices of goods and services in the economy. The accompanying tables summarizes the changes in the CPI for the years 2005 through 2014, which can be assumed to be the corresponding percent rates of inflation. Q. An economist purchases a kitchen applience at the beginning of 2014 for $3,000. The sales person advises him that the only changes in prices for the applience since the beginning of 2012 have been due to inflation. Assuming that is the case, what would have been the purchase price for the applience at the beginning of 2012 correct to the nearest dollars?

Read the given statements and select the correct option regarding this. (i) Ecosystem services provided by nature to human beings such as oxygen for respiration, asesthetic value, etc. (ii) Direct economic benefits derived from nature by human beings such as food, medicine, etc. (iii) Every species has an intrinsic value, even if it is not of any economic use to us. With respect to above give codes (i), (ii) and (iii) choose the correct option.

Healthy ecosystems are the base of wide range of (ecosystem) services. Justify. Explain the differences and the similarities between hydrarch and xerarch mccassions of plants.

Biodiversity must be conserved as it plays an important role in many ecosystem services that nature provides. Explain any two services of the ecosystem.

Find the correct statements from the following I) Supporting ecological services - Oxygen release into ecosystem II) Provisioning ecological services - Climate regulation in ecosystem III) Regulating ecological services - water purification and flood protection IV) Cultural services - Education, recreation and aesthetic value

XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-SECTION-D
  1. a) How do the observations made duirng moth collection in pre- and pos...

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  2. a) What is an age-pyramid? b) Name three representative kinds of age...

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  3. Discuss the role of healthy ecosystem services as a pre-requisite for ...

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  4. Describe in sequence the events that lead to the development of a 3-ce...

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  5. (a) Give a schematic representation showing the events of spermatogene...

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  6. (a) State the law of independent assortment. (b) Using Punnett Squar...

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  7. (a) Why are herbivores considered similar to predators in the ecologic...

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  8. (a) Trace the succession of plants on a dry bare rock. (b) How does ...

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  9. (a ) Draw a labelled L.S. view of an albuminous 'seed'· (b) How are ...

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  10. (a) Write the fate of egg cell and polar nuclei after fertilization.

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  11. How does the process of natural selection affect Hardy-Weinberg equili...

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  12. (a) Explain Mendel's law of independent assortment by taking a suitabl...

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  13. (a) Explain one application of each one of the following : (A) Amnio...

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  14. Differentiate between incomplete dominance and co-dominaces. Substanti...

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  15. (a) What is "population" according to you as a biology student ? (b)...

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  16. A large number married couples in the world over are childless. It is ...

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  17. Waste Disposal and Waste Management poses a major problemin present ti...

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  18. (a) Indiscriminate human activities such as alien species invasion, fr...

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  19. (a) Explain the development of female gametophyte from a megaspore mot...

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  20. (a) Draw a diagrammatic sectional view of a seminiferous tubule (enlar...

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