How do endemic species differ from exotic species?

Study for the Grade 9 Biological Diversity Unit Exam. Dive into key topics with engaging questions and answers. Prepare for your test effectively!

Endemic species are defined as those organisms that are native to and found only within a specific geographic area. This means that their existence is tightly linked to a particular location, often due to unique environmental conditions or evolutionary processes that have shaped them over time. For example, the lemurs of Madagascar are endemic to that island, meaning they cannot be found in their natural state anywhere else in the world.

This concept emphasizes the importance of geographical isolation and local adaptation, which contribute to the uniqueness and diversity of different ecosystems. In contrast, exotic species, also known as non-native species, are those that have been introduced to an area where they do not naturally occur. While some exotic species can prosper and integrate into their new habitats, others can disrupt local ecosystems.

Recognizing the distinction is crucial for conservation efforts, as endemic species often require specific conditions to thrive and can be more vulnerable to extinction, particularly in the face of habitat loss or climate change. Understanding these differences helps in managing and preserving the biological diversity of various regions effectively.

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