Question

A species that is no longer in existence would best be characterized as which of the following?

Answer 1

Answer:

Extinct.

Explanation:

The IUCN red list classifies the organism as endangered , extinct, threatened and vulnerable organism. The organism are classified on the basis of their number and presence on the particular area.

Extinct species is the species that are no longer present on the earth. The extinct species has been eliminated due to the unfavorable environmental condition and due to human activities. No single organism is present of the extinct species.

Thus, the correct answer is option (3).