Best answer: What are the main causes of the extinction of Philippine wildlife?

What is the greatest cause of animal extinction?

Animal agriculture is the leading cause of species extinction, habitat destruction and ocean dead zones. Animal agribusiness already occupies about 40% of Earth’s landmass and accounts for 75% of global deforestation.

Which is not a major cause of wildlife extinction?

Detailed Solution. The correct answer is Fast pace of population growth. According to the official answer key, fast pace of population growth does not lead to a major cause of Wildlife Extinction.

What are the causes and effects of animal extinction?

Causes of Extinction

Agriculture, forestry, mining, and urbanization have disturbed or destroyed more than half of Earth’s land area. In the U.S., for example, more than 99 percent of tall-grass prairies have been lost. Other causes of extinction today include: Exotic species introduced by humans into new habitats.

What is the number 1 cause of extinction?

Destruction of Habitat – It is currently the biggest cause of current extinctions. Deforestation has killed off more species than we can count. Whole ecosystems live in our forests.

What are the major causes of past extinction?

Although the best-known cause of a mass extinction is the asteroid impact that killed off the non-avian dinosaurs, in fact, volcanic activity seems to have wreaked much more havoc on Earth’s biota. Volcanic activity is implicated in at least four mass extinctions, while an asteroid is a suspect in just one.

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What human activities cause extinction?

Human activities that influence the extinction and endangerment of wild species fall into a number of categories: (1) unsustainable hunting and harvesting that cause mortality at rates that exceed recruitment of new individuals, (2) land use practices like deforestation, urban and suburban development, agricultural …

How does animal extinction affect humans?

As species disappear, infectious diseases rise in humans and throughout the animal kingdom, so extinctions directly affect our health and chances for survival as a species. … The rise in diseases and other pathogens seems to occur when so-called “buffer” species disappear.

How many animals are extinct because of humans?

Humans are driving one million species to extinction. Landmark United Nations-backed report finds that agriculture is one of the biggest threats to Earth’s ecosystems.