Question

Consider the following statements:

Assertion (A): Passenger pigeon is an extinct species.
Reason (R): A species is said to be extinct when there are no more individuals of that species alive anywhere in the world.

Choose the correct answer from the options given below:

1. Both Assertion and Reason are true, and Reason is the correct explanation of the Assertion.
2. Both Assertion and Reason are true, but Reason is not the correct explanation of the Assertion.
3. Assertion is true, but Reason is false.
4. Both Assertion and Reason are false.

Correct Answer:
Option 1: Both Assertion and Reason are true, and Reason is the correct explanation of the Assertion.

Explanation:

• The passenger pigeon (Ectopistes migratorius) is indeed an extinct species. The last known individual, named "Martha," died in 1914 in captivity.
• A species is considered extinct when no living individuals exist anywhere in the world, making the Reason (R) a correct explanation for the Assertion (A).

Answer 1

The passenger pigeon (Ectopistes migratorius) was once abundant in North America but became extinct in the early 20th century. The last known individual, named Martha, died on September 1, 1914, at the Cincinnati Zoo.

Britannica

In biology, extinction occurs when there are no surviving individuals of a species anywhere on Earth.

Britannica

Given this information:

• Assertion (A): Passenger pigeon is an extinct species.
  True. The passenger pigeon is indeed extinct.

• Reason (R): A species is said to be extinct when there are no more individuals of that species alive anywhere in the world.
  True. This is the correct definition of extinction.

Conclusion: Both Assertion (A) and Reason (R) are true, and Reason (R) correctly explains Assertion (A).

Correct Answer: Option 1: Both Assertion and Reason are true, and Reason is the correct explanation of the Assertion.

Recent Study Documents Bird Extinctions and Their Ecological Impacts

Reuters

Study documents extinction of 610 bird species and ecological impacts