Frequent question: How does climate change threaten biodiversity?

How does climate change threaten biodiversity quizlet?

How does climate change affect biodiversity? If temperature and other abiotic factors go out of an organism’s tolerance range, organisms must migrate to more suitable land or face extinction. 1.5-2.5 C change in temperature=30% of species will die, 3.5 C change=40-70% will become extinct.

What are major threats of biodiversity explain?

Five main threats to biodiversity are commonly recognized in the programmes of work of the Convention: invasive alien species, climate change, nutrient loading and pollution, habitat change, and overexploitation.

What is the most serious threat to biodiversity quizlet?

Habitat destruction, habitat fragmentation, habitat degradation (pollution), global climate change, and overexploitation. The result of expansion of human activities and the primary cause of loss of biological diversity. Agriculture, commercial developments, water projects, livestock grazing, and pollution.

Which of the following is a significant threat to biodiversity?

Climate change was ranked as a 6% risk to Earth’s biodiversity. WWF’s Living Planet Report 2020 has ranked the biggest threats to Earth’s biodiversity. The list includes climate change, changes in land and sea use and pollution. The WWF used data from over 4,000 different species.

How does it affect biodiversity?

Biodiversity change is caused by a range of drivers. A driver is any natural or human-induced factor that directly or indirectly causes a change in an ecosystem. … Important direct drivers affecting biodiversity are habitat change, climate change, invasive species, overexploitation, and pollution (CF4, C3, C4. 3, S7).

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What is biodiversity and explain threats to biodiversity?

Major direct threats to biodiversity include habitat loss and fragmentation, unsustainable resource use, invasive species, pollution, and global climate change. The underlying causes of biodiversity loss, such as a growing human population and overconsumption are often complex and stem from many interrelated factors.