According to the Red Data Book, what do black pages represent?
AExtremely rare species.
BSpecies that are vulnerable.
CSpecies that are confirmed to be extinct.
DSpecies recovering from endangerment.
AExtremely rare species.
BSpecies that are vulnerable.
CSpecies that are confirmed to be extinct.
DSpecies recovering from endangerment.
Related Questions:
Explain the 'Data Deficient' classification in the IUCN Red List.
Identify the IUCN Red List category that describes species at risk of becoming endangered.