Final answer:
Taxonomy is helpful in conservation efforts because it helps us classify and understand endangered species. The IUCN Red List of Threatened Species guides conservation efforts by assessing the extinction risk of species.
Step-by-step explanation:
Taxonomy is helpful in conservation efforts of endangered species of animals because it helps us understand and classify the variety of living species.
By categorizing endangered species, conservationists can focus their efforts on protecting specific species or ecosystems.
Moreover, the IUCN Red List of Threatened Species assesses the extinction risk of species, provides data on their distributions and threats, and guides conservation efforts.