3.3.3

Question 1

What is the IUCN?

Answer 1

It’s an organization that publishes data in the “Red List of Threatened Species” in several categories.

Question 2

What are the factors used to determine the conservation status of a species?

Answer 2

The factors used to determine the conservation status of a species include population size, degree of specialization, distribution, reproductive potential and behavior, geographic range and degree of fragmentation, quality of habitat, trophic level, and the probability of extinction.

Question 3

What is the IUCN Red List of Threatened Species?

Answer 3

The IUCN Red List of Threatened Species is the best-known worldwide conservation status listing and ranking system.

Question 4

What are the categories in the IUCN Red List of Threatened Species?

Answer 4

Extinct, Extinct in Wild, Critically Endangered, Endangered, Vulnerable, Conservation Dependent, Near Threatened, and Least Concern.

Question 5

What are the factors that make a species prone to extinction?

Answer 5

narrow geographical range, small population size or declining numbers, low population densities and large territories, few populations of the species, large-bodied species, low reproductive potential, seasonal migrants, poor dispersers, specialized feeders or niche requirements, and hunted for food or sport.