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 three definitions of biodiversity?
Biodiversity may be considered at three levels: genetic diversity, species diversity, and ecosystem diversity (see figure 1 below).
Who define the term biodiversity?
1980 – Thomas Lovejoy introduced the term biological diversity to the scientific community in a book. It rapidly became commonly used. 1985 – According to Edward O. Wilson, the contracted form biodiversity was coined by W. G. Rosen: “The National Forum on BioDiversity … was conceived by Walter G. Rosen …
What is biodiversity and give example?
Biodiversity is the variety of life. … Most people recognize biodiversity by species—a group of individual living organisms that can interbreed. Examples of species include blue whales, white-tailed deer, white pine trees, sunflowers, and microscopic bacteria that can’t even be seen by the naked eye.
What is biodiversity class 8?
Biodiversity or Biological diversity: It refers to the variety or organisms existing on the earth. Their interrelationships and their relationship with the environment. It includes variety of plants, animals and microorganisms. Flora and Fauna: The plants found in a particular area are termed as flora area.
What is biodiversity class 10?
Biodiversity is the number and variety of plants, animals and other organisms that are living in an ecosystem. Biodiversity is a measure of the variety of organisms that exist in different ecosystems. Bio means ‘life’, diversity means ‘variety’.
What is biodiversity in 11th class?
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 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.
What is biodiversity in a sentence?
Definition of Biodiversity. refers to the level of variety in living creatures and plants within a particular area. Examples of Biodiversity in a sentence. 1. The biodiversity of this lake is extremely high, with several dozen species of fish and birds living in or near it.
What is biodiversity class7?
Answer: The great variety of life is on Earth is called biodiversity. Explanation: The variety of living beings that constitutes the biosphere is collectively known as biodiversity. Biodiversity includes livings beings ranging from micro-organisms, herbs, plants, trees and animals to humans.
What is biodiversity Class 8 Brainly?
Answer: Biodiversity is the variety and variability of life on Earth.
Why is biodiversity important class 9?
Biodiversity refers to the variety of plant and animal species found on the earth. It is an important source of food, clothing, shelter, medicine and other materials for domestic and commercial purposes. … Most of the pharmaceutical drugs are obtained from different species of plants.