MEGA Elementary Education Multi-Content 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

Which environmental issue has significantly contributed to the decline of Earth's biological diversity?

Acid rain

Tropical deforestation

The decline of Earth's biological diversity is significantly impacted by tropical deforestation because it leads to the destruction of habitats that are home to a vast array of species. Tropical forests are one of the most biodiverse ecosystems on the planet, and when these forests are cut down for agriculture, logging, or urbanization, many species face extinction due to loss of habitat. This deforestation not only reduces the number of species in the area but also disrupts ecological processes and the food web that sustain various forms of life.

In addition to habitat loss, tropical deforestation also contributes to climate change as trees that absorb carbon dioxide are removed, exacerbating global warming and further threatening biodiversity. This interconnectivity makes the issue particularly critical, as the loss of one species can lead to broader ecological implications, affecting other species and the overall health of the ecosystem. Therefore, tropical deforestation is a primary driver of biodiversity loss, underscoring its significant role in environmental degradation.

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Desertification

Soil salinization

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