Which of the following status in the IUCN Red Data Book has been included as high risk categories 1 ...........

Environment and Ecology Biodiversity

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Which of the following status in the IUCN Red Data Book has been included as high risk categories?

1. Endangered 2. Vulnerable

3. Critically Endangered

Choose the correct alternative.

1, 2 and 3

1 and 3 only

3 only

1 and 2 only

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Explanation:

•    Explanation-
•    Extinct (EX) – No known individuals remaining.
•    Extinct in the wild (EW) – Known only to survive in captivity, or as a naturalized population outside its historic range.
•    Critically endangered (CR) – Extremely high risk of extinction in the wild.
•    Endangered (EN) – High risk of extinction in the wild.
•    Vulnerable (VU) – High risk of endangerment in the wild.
•    Near threatened (NT) – Likely to become endangered in the near future.
•    Least concern (LC) – Lowest risk. Does not qualify for a more at-risk category. Widespread and abundant taxa are included in this category.
•    Data deficient (DD) – Not enough data to make an assessment of its risk of extinction.
•    Not evaluated (NE) – Has not yet been evaluated against the criteria.