Question

the designation criteria for the international union for conservation of nature (iucn) red list of threatened species include which of the following factors? genetic diversity observed percentage decline in populations habitat pollution levels population size extent of current range

Explanation:

The IUCN Red List designation criteria consider factors related to species' population - such as observed percentage decline, population size, extent of current range - as well as genetic diversity and habitat - related factors like pollution levels. All these can indicate the threat level to a species.

Answer:

genetic diversity, observed percentage decline in populations, habitat pollution levels, population size, extent of current range