Which two major wildlife conservation organizations merged in 2004 to form one of the largest animal protection and conservation product retailers in the world?

The animal conservation and wildlife product sector has seen some significant corporate changes over the years. Organizations dedicated to wildlife preservation, animal care products, and conservation efforts have undergone various transformations to increase their impact and reach. Test your knowledge about a major merger that changed how conservation products and initiatives are marketed to consumers worldwide.

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World Wildlife Fund and Conservation International
The Humane Society of the United States and The Fund for Animals
National Audubon Society and Sierra Club
Wildlife Conservation Society and National Geographic Society