What does biodiversity depend on?

What is biodiversity and what does it depend on?

The term biodiversity (from “biological diversity”) refers to the variety of life on Earth at all its levels, from genes to ecosystems, and can encompass the evolutionary, ecological, and cultural processes that sustain life.

What are the 3 components of biodiversity?

Usually three levels of biodiversity are discussed—genetic, species, and ecosystem diversity. Genetic diversity is all the different genes contained in all individual plants, animals, fungi, and microorganisms.

What is biodiversity based on?

Biodiversity refers to every living thing, including plants, bacteria, animals, and humans. Scientists have estimated that there are around 8.7 million species of plants and animals in existence. … They also study how many species exist in single ecosystems, such as a forest, grassland, tundra, or lake.

What are the 5 main causes of biodiversity?

Biodiversity loss is caused by five primary drivers: habitat loss, invasive species, overexploitation (extreme hunting and fishing pressure), pollution, climate change associated with global warming.

How do humans depend on biodiversity?

Humans depend upon biodiversity for survival, such as for the foods we eat, medicines we use to stay healthy, and materials we wear or use to build our homes. These services are the tangible products or items that we and other species con sume for survival.

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What are the 5 factors that affect biodiversity?

Important direct drivers affecting biodiversity are habitat change, climate change, invasive species, overexploitation, and pollution (CF4, C3, C4. 3, S7).

What are features of biodiversity?

Biodiversity refers to the variety and variability among living organisms and ecological compliances in which they occur. Major components in biodiversity are ecosystem diversity, species diversity and genetic diversity.

What is biodiversity short answer?

Biodiversity can be described as the sum total of all plants and animals found in a particular area. It is basically a measure of all variations found at the genetic, species, and ecosystem level. It is mainly influenced by the environmental, geographical, climatic and topographical conditions of an area.

What are the 4 major components of biodiversity?

The four major components of biodiversity are species diversity, ecological diversity, genetic diversity, and functional diversity.

Why do we need biodiversity?

Biodiversity is important to humans for many reasons. … Ecological life support— biodiversity provides functioning ecosystems that supply oxygen, clean air and water, pollination of plants, pest control, wastewater treatment and many ecosystem services.

What are the hotspots of biodiversity in India?

India has four biodiversity hotspots, i.e., Eastern Himalayas, Western Himalayas, Western Ghats and Andaman and Nicobar Islands.

What is biodiversity in your own words?

Biodiversity is the shortened form of two words “biological” and “diversity”. It refers to all the variety of life that can be found on Earth (plants, animals, fungi and micro-organisms) as well as to the communities that they form and the habitats in which they live.

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