Ecology - Biodiversity & Conservation

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Q1. What is the term for the extinction of a species in a specific habitat while it still exists elsewhere? (2020)

Solution:

Local extinction refers to the extinction of a species in a specific habitat while it still exists in other areas.

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Q2. What is the term for the loss of a species from a particular habitat? (2020)

Solution:

Extirpation refers to the loss of a species from a particular habitat, while extinction refers to the loss of a species globally.

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Q3. What is the significance of biodiversity hotspots? (2020)

Solution:

Biodiversity hotspots are significant because they are regions with a high number of endemic species and are under threat from human activities.

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Q4. Which of the following is an example of an invasive species? (2023)

Solution:

The cane toad is an example of an invasive species that disrupts local ecosystems.

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Q5. Which of the following practices can lead to habitat fragmentation? (2021)

Solution:

Urban development can lead to habitat fragmentation by dividing ecosystems into smaller, isolated patches.

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Q6. Which of the following practices can help in conserving biodiversity? (2021)

Solution:

Sustainable agriculture practices help in conserving biodiversity by maintaining healthy ecosystems.

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Q7. What is the term for the extinction of a species in a specific habitat while it still exists in other areas? (2020)

Solution:

Local extinction refers to the extinction of a species in a specific habitat while it still exists in other areas.

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Q8. What is the term for species that are at risk of extinction? (2020)

Solution:

Endangered species are those that are at risk of extinction due to various factors.

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Q9. What is the role of keystone species in an ecosystem? (2022)

Solution:

Keystone species have a disproportionately large impact on their environment, affecting many other organisms in the ecosystem.

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Q10. What is the term for species that are native to a particular area? (2019)

Solution:

Endemic species are those that are native to a particular area and are not found naturally anywhere else.