In 2019, the IUCN Red List reported approximately species of in danger of disappearing from the wild.

In 2019, the IUCN Red List reported approximately 28,000 species of in danger of disappearing from the wild.

Explanation:

The IUCN Red List is a glossary of animal and plant species that are in danger of extinction, dividing the severity of the danger into different colors where red is synonymous with those species in critical danger of disappearing.

The 2019 Red List showed that more than 28,000 species of animals, plants and other living beings are in a situation of critical danger, notable examples being the Iberian Lynx and the Bornean Orangutan, among many others.

a, c, d, e are all applying about success strategies.