Describe three approaches used to slow down the rate of extinction

The three ways or approaches that one can do to slow down extinction or in a way to preserve biodiversity are the following;

-          Breeding endangered species that may preserve and multiply their species

-          Protecting the endangered species in a way that they should not be held captive, be sold or kill for materialistic goods or food products

-          Prevention of using animal testing in factories and companies

i dont know it at allnow im just getting points at this pint