Biodiversity is defined as “the variability among living organisms from all sources including, inter alia, terrestrial, marine and other aquatic ecosystems and the ecological complexes of which they are part; this includes diversity within species, between species and of ecosystems.” The importance of this definition …
What are the concepts of biodiversity?
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 is the greatest biodiversity?
Brazil is the Earth’s biodiversity champion. Between the Amazon rainforest and Mata Atlantica forest, the woody savanna-like cerrado, the massive inland swamp known as the Pantanal, and a range of other terrestrial and aquatic ecosystems, Brazil leads the world in plant and amphibian species counts.
What are the 3 main levels of biodiversity?
Usually three levels of biodiversity are discussed—genetic, species, and ecosystem diversity.
Which type of biodiversity is significant?
Types of Biodiversity. Biodiversity includes three main types: diversity within species (genetic diversity), between species (species diversity) and between ecosystems (ecosystem diversity).
What is biodiversity class 8?
Biodiversity means biological variety.It refers to the variety of organism(plants,animals and micro-organism) found in a particular area or habitat. The presence of a large number of organism found in a particular area is called biodiversity.
What is biodiversity class 12?
Biodiversity can be defined as the occurrence of different types of genes, gene pools, species, habitats and ecosystem in a given region. (i) The term biodiversity was given by a socio biologist Edward Wilson to describe the combined diversity at all the levels of biological organisation.
How many biodiversity centers are there in the world?
There are 34 areas around the world which are qualified as Biodiversity hotspots.
Which ecosystem has the greatest number of species?
Species richness is greatest in tropical ecosystems. Tropical rain forests on land and coral reefs in marine systems are among the most biologically diverse ecosystems on Earth and have become the focus of popular attention.
Which forest has maximum biodiversity?
Option A: The maximum biodiversity is found in tropical rain forests as they are less seasonal, they are neither too hot nor too cold and are more predictable.
What is the #1 cause of biodiversity loss?
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. In each case, human beings and their activities play direct roles.
What are the 4 types of biodiversity?
Four Types of Biodiversity
- Species Diversity. Every ecosystem contains a unique collection of species, all interacting with each other. …
- Genetic Diversity. Genetic diversity describes how closely related the members of one species are in a given ecosystem. …
- Ecosystem Diversity. …
- Functional Diversity.
What are the 4 major components of biodiversity?
The four major components of biodiversity are species diversity, ecological diversity, genetic diversity, and functional diversity.
What is biodiversity class 11th?
In simple terms, biodiversity is the number and variety of organisms found within a specified geographic region. … It relates to the variability among living organisms on the earth, including the variability within and between the species and that within and between the ecosystems.
What is biodiversity class 9?
Answer: Biodiversity is a place where all the living organisms live interacting with the lithosphere land hyrosphere and atmosters.
What percentage of the total 5% biodiversity of the earth is found in India?
India is one of 17 mega-biodiverse countries in the world. With only 2.4 percent of the earth’s land area, it accounts for 7-8 percent of the world’s recorded species.