Population viability analysis Reading Answers

Here the Population viability analysis reading answers are given below clearly in the table for your reference.

Solution for: Population Viability analysis

1. YES	5. vi	9. will/may not survive//will/may/could become extinct
2. NO	6. iii	10. locality//distribution
3. NO	7. i	11. logging takes place/occurs
4. NOT GIVEN	8. ii	12. B

Do not leave this page after checking the solutions since we have included the complete reading passage on the same topic. Following that, three different question types are given for practice. 

According to the IELTS experts, the reading passage of the Population viability analysis reading answers is highly important. So, practicing these kinds of passages can level up your reading skills. It helps you to perform well in the IELTS reading test as it is designed to assess your reading, language, and understanding abilities.

This passage is about the Population Viability Analysis (PVA),  a tool used to predict the impact of forests on the ecosystem. Get the full passage with the below listed three different question types and the Population Viability Analysis reading answers given to verify your answers instantly. 

• IELTS Reading Yes/No/Not given
• IELTS Reading Sentence Completion
• IELTS Reading Multiple Choice Questions 

If needed, you can also check the other IELTS reading question types

8 thoughts on why the passage “Population Viability Analysis” is chosen for the IELTS reading practice tests

These are some major reasons why the passage of Population Viability Analysis IELTS reading answers is selected for the IELTS reading practice tests.

• Population Viability Analysis passage tells about the PVA tool, who uses it, the reasons for using it, its uses, and so on. 
• Population viability analysis passage reading pdf is provided in this article for your later practice purpose. 
• The Population viability analysis reading answers with location make you understand the justification for the solutions.
• Population viability analysis passage includes the species, breeding, extinction of forest-dependent animals, etc.
• Population viability analysis reading answers with explanations aids you to know the solutions and how the solution is chosen.
• This passage will assess your many abilities by having unique, unusual words, synonyms, and paraphrasing. 
• While you answer different question types, skimming, scanning, and proper keyword identification will be a great help here. 
• Population viability analysis reading passage and its solutions are taken from Cambridge 1, Test 4.

Note all the above points and try some extra questions with the Population viability analysis reading passage given in this article. 

Check the IELTS reading tips, before starting to write the Population viability analysis IELTS reading answers, 

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IELTS reading passage -  Population Viability Analysis

Skim and scan the below reading passage to answer all the given questions (1 - 13). Also, find the Population viability analysis reading answers below the questions.

Population Viability Analysis

Part A

To make political decisions about the size and kind of forest in a region, it is essential to comprehend the implications of those decisions. Population viability analysis (PVA) is a tool for estimating the effect of forests on the ecosystem. It is a tool that predicts the possibility of extinction of a species in a certain area over a period of time. It has been used successfully in the United States to provide input on resource exploitation decisions and to help wildlife managers. There is now a huge possibility for using population viability to aid wildlife management in Australia’s forests.

A species vanishes when the last person dies. This observation is a helpful starting point for any talk of destruction, as it highlights the part of luck and chance in the process of destruction. To make a prediction about destruction, we need to comprehend the methods that contribute to it, these are the four wide types discussed below.

Part B

Early attempts to assume population viability was based on population uncertainty whether a person will survive from one year to the next is frequently a prospect. Some couples can produce multiple pups in the same year, while others will not produce anything in the same year. Small populations will fluctuate greatly due to the inconsistency of birth and death, and these likely fluctuations will, on average, cause species extinction even as the population size increases. Considering only this uncertainty of reproductive ability, extinction is not possible if the number of people in a population is over 50 and the population is expanding.

A small amount of breeding cannot be avoided by small populations. This is especially true if you have a very little number of genders. For illustration, if there are only 20 persons in a race and only one man, then all future persons in that species must be descended from that one man. For most animal species, such individuals are probably not able to survive and reproduce. Increases the chance of breeding extinction.

Variation in a species is the raw material from which natural choice operates. Without genetic variation, a species does not have the ability to grow and adapt to changes in its environment or to new predators and new illnesses. Loss of genetic variation associated with population decline may contribute to the possibility of extinction.

A recent study shows that other aspects need to be considered. Australia's environment is highly volatile from year to year. These changes add another degree of uncertainty to the survival of many organisms. Disasters such as fire, flood, drought, or epidemics can reduce the population to a small part of their average level. When these two additional uncertainties are paid for, the population needed to sustain a few hundred years can increase by thousands.

Part C

Apart from these processes, we need to keep in mind the population distribution. A species that happens in five isolated areas do not have the possibility of extinction of a race of 100 persons in the same place with 20 persons each.

Where trees are cut down, forest-dwelling creatures are forced to flee. Ground-dwelling plants can return within a decade. Nevertheless, arboreal marsupials (i.e., tree-dwelling animals) have not been able to regain pre-recorded density for more than a century. As more forests are destroyed, the number of animals will further decrease. Regardless of the theory or model we prefer, reducing the size of the population reduces the genetic variation of the population and raises the probability of extinction due to any or all of the methods listed above. So it is a scientific truth that expanding the loaded area in any region will boost the chances of extinction of forest-dependent animals.

Population viability analysis IELTS reading questions

Questions (1- 5)

Do the following statements agree with the information given in the Reading Passage?

Write

YES if the statement agrees with the claims of the writer
NO, if the statement contradicts the claims of the writer
NOT GIVEN if it is impossible to say what the writer thinks about this

1. Population viability analysis (PVA) is a tool for assessing the impact of forests on the ecosystem.

2. There is now less possibility for using population viability to aid wildlife management in Australia’s forests.

3. Early tries to assume population viability was based on population uncertainty

4. Destruction of the species in a particular area is a natural thing.

5. All pairs can produce multiple babies in the same year.

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Questions (6 - 10)

Complete the sentences below.

Write NO MORE THAN TWO WORDS/NUMBERS from the passage for each answer.

6. Extinction is not possible if the number of people in a population is over ___________ and the ___________ is expanding.

7. If there are only 20 persons in a race and only one man, then all future persons in that species must be ___________ from that one man

8.  Variation in a _________ is the raw material from which natural choice operates.

9. Loss of genetic variation associated with population reduction may contribute to the chance of _____________.

10. Australia's environment is highly ______________ from year to year.

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Questions (11 - 13)

Choose the correct letter, A, B, C, or D

11. Disasters such as fire, flood, drought, or epidemics can reduce the population to a 

A. small part of their low level
B. small part of their high level
C. small part of their average level
D. huge part of their average level

12. Ground-dwelling plants can return within 

A. a century
B. 10 years
C. 20 years
D. a decade

13. Reducing the size of the population reduces the genetic variation of the 

A. species
B. population
C. plants
D. trees

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Population viability analysis IELTS reading answers with explanations

Finished answering? Now you can check your answers with the Population viability analysis IELTS reading answers with precise explanations given below.

(Note: The text in italics is from the reading passage and shows the location from where the answer is taken or inferred. The text in the regular font explains the answer in detail.)

1. Answer: Yes 

Explanation: Paragraph 1 - To make political decisions about the size and kind of forest in a region, it is essential to comprehend the implications of those decisions. Population viability analysis (PVA) is a tool for estimating the effect of forests on the ecosystem.

2. Answer: No

Explanation: Paragraph 1 - It has been used successfully in the United States to provide input on resource exploitation decisions and to help wildlife managers. There is now a huge possibility for using population viability to aid wildlife management in Australia’s forests.

3. Answer: Yes

Explanation: Paragraph 3 - Early tries to assume population viability was based on population uncertainty whether a person will survive from one year to the next is frequently a prospect. 

4. Answer: Not Given

Explanation: The particular claim about extinction is not spoken by the writer.

5. Answer: No

Explanation: Paragraph 3 - Some couples can produce multiple pups in the same year, while others will not produce anything in the same year.

6. Answer: 50, population

Explanation: Paragraph 3 - Considering only this uncertainty of reproductive ability, extinction is not possible if the number of people in a population is over 50 and the population is expanding.

7. Answer: descended 

Explanation: Paragraph 4 - This is especially true if you have a very little number of genders. For illustration, if there are only 20 persons in a race and only one man, then all future persons in that species must be descended from that one man. 

8. Answer: species 

Explanation: Paragraph 5 - Variation in a species is the raw material from which natural choice operates. Without genetic variation, a species does not have the ability to grow and adapt to changes in its environment or to new predators and new illnesses. 

9. Answer: extinction

Explanation: Paragraph 5 - Loss of genetic variation associated with population decline may contribute to the possibility of extinction.

10. Answer: volatile

Explanation: Paragraph 6 - A recent study shows that other aspects need to be considered. Australia's environment is highly volatile from year to year.

11. Answer: C. small part of the average level

Explanation: Paragraph 6 - Disasters such as fire, flood, drought, or epidemics can reduce the population to a small part of their average level. When these two additional uncertainties are paid for, the population needed to sustain a few hundred years can increase by thousands.

12. Answer: D. a decade

Explanation: Paragraph 8 - Where trees are cut down, forest-dwelling creatures are forced to flee. Ground-dwelling plants can return within a decade.

13. Answer: B. population

Explanation: Paragraph 8 - Regardless of the theory or model we prefer, reducing the size of the population reduces the genetic variation of the population and raises the probability of extinction due to any or all of the methods listed above.

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Conclusion

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