Question:

The death of the last individual of a species is called as ________.

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Extinction is a natural or anthropogenic evolutionary dead-end, marking the permanent loss of a species' entire gene pool.
  • Extinction
  • Clad
  • Neither (1) nor (2)
  • Species diversity
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The Correct Option is A

Solution and Explanation



Step 1: Understanding the Concept:

The loss of biological diversity occurs at genetic, species, and ecosystem levels. When a species cannot adapt to environmental changes or pressures, its population eventually declines to zero.

Step 2: Detailed Explanation:

- Extinction is the termination of a kind of organism or a taxon, usually a species. The moment of extinction is generally considered to be the death of the last surviving individual of that species, after which no breeding individuals remain to pass on genetic information.
- A Clade (often misspelled as clad) is a taxonomic group of organisms consisting of a single common ancestor and all its lineal descendants.
- Species diversity refers to the effective number of different species that are represented in a given ecological community.

Step 3: Final Answer:

The death of the last individual of a species is defined as extinction.
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