Which of the following statements about protected areas established to preserve biodiversity is true?
a. About 25% of Earth's land area is now protected
b. National parks are the only type of protected area
c. Management of a protected area does not need to be coordinated with management of the surrounding area
d. It is especially important to protect biodiversity hot spots

Verified step by step guidance

1. Understand the concept of protected areas: Protected areas are regions designated to conserve biodiversity, ecosystems, and natural resources. They are critical for preserving species and habitats, especially in areas under threat from human activities.
2. Review the options provided: Analyze each statement to determine its accuracy based on biological principles and conservation practices.
3. Evaluate option a: Research the percentage of Earth's land area that is protected. Current data shows that approximately 15% of Earth's land area is protected, not 25%, so this statement is false.
4. Evaluate option b: National parks are one type of protected area, but there are other types, such as wildlife reserves, marine protected areas, and nature sanctuaries. Therefore, this statement is false.
5. Evaluate option d: Biodiversity hot spots are regions with exceptionally high levels of species richness and endemism, often under significant threat. Protecting these areas is crucial for global biodiversity conservation, making this statement true.

Key Concepts

Biodiversity and Protected Areas

Biodiversity refers to the variety of life on Earth, encompassing different species, ecosystems, and genetic diversity. Protected areas are designated regions aimed at conserving this biodiversity by limiting human activities that can lead to habitat destruction and species extinction. These areas play a crucial role in maintaining ecological balance and providing refuge for endangered species.

Types of Protected Areas

Protected areas come in various forms, including national parks, wildlife reserves, marine protected areas, and conservation easements. While national parks are well-known, they are not the only type of protected area. Each type serves different conservation goals and may have varying levels of restrictions on human activities, emphasizing the need for a diverse approach to conservation.

Biodiversity Hotspots

Biodiversity hotspots are regions that are both rich in endemic species and significantly threatened by human activities. Protecting these areas is critical because they contain a high number of unique species that are not found anywhere else. Conservation efforts in these hotspots can have a substantial impact on global biodiversity, making their protection a priority in environmental management.