Assertion: Habitat loss and fragmentaion is the most important cause driving animals and plants

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Assertion: Habitat loss and fragmentaion is the most...

Key Concepts

Habitat Loss

Habitat loss refers to the reduction or complete disappearance of natural environments, typically caused by human activities such as deforestation, urbanization, and agriculture. This process removes the living spaces necessary for various species to survive and reproduce, fundamentally altering ecosystem dynamics and reducing overall biodiversity.

Habitat Fragmentation

Habitat fragmentation occurs when large, contiguous habitats are divided into smaller, isolated patches. This division can disrupt animal migration and plant dispersal, increase edge effects, and reduce genetic diversity within populations, making species more vulnerable to extinction.

Species Extinction

Species extinction is the complete loss of a species from the Earth. It is often driven by a combination of factors, including habitat loss, fragmentation, and other human-induced pressures. Extinctions reduce biodiversity and can lead to cascading effects within ecosystems, ultimately impairing ecosystem functionality.

Alien Species Invasion

Alien species invasion happens when non-native species are introduced, either intentionally or accidentally, into ecosystems where they are not naturally found. These species can become invasive, out-competing or preying on native species, altering habitat structures, and further exacerbating the challenges posed by habitat loss and fragmentation.

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