Write down the name of some recently extinct organism

A recently extinct animal :

Write down the name of point A

Recently extinct bird is

Write down the IUPAC name of

Write down the IUPAC name of

One of the examples of recent extinctions is

Write down the names of international organizations that work for disaster management.

Write down the name of cytochromes-present in complex IV.

Write down the name of few species. (a) Which extinct due to over exploitation ? (b) discuss the extinction due to Alleien species invasions with a suitable example.