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For example, if a particular species of prey is reduced in number, it has a reduced effect on predators if there are other prey species available. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Besides its ecological and environmental value, biodiversity has significant socio-economic values as well.Each ecosystem consists of organisms from many different species, living together in a region connected by the flow of energy and nutrients. Even the fossil fuels like coal and petroleum are the products of biodiversity from the geological past. Human society depends on biological resources, their diversity and the ecosystems that sustain them to provide essential goods and services.This is related to natural products that are used directly for food, fodder, timber, fuel wood, etc.
Almost all the present day agricultural crops have originated from wild varieties. Low biodiversity results in few species available to fill each niche. Some of them have already been discussed in this course. Our planet’s requirements and services depend mainly on the biological resources. In 1994-95 the income from agriculture, forestry and fisheries in India was nearly 30 per cent or 736.88 billion rupees.Biodiversity is the most precious gift of nature the mankind is blessed with. 19.4 and Table 19.1). Similarly, certain animals and birds were represented as vehicles of Gods and were duly respected.
Biological resources not only provide us nourishment, clothing, housing, fuel and medicine but also meet our several other requirements.
Humans are also attracted towards the biologically rich regions and nobody likes to live or visit a barren place. This energy flows through the different systems when animals eat the plants and then are eaten, in turn, by other animals. and non-living components, like climate, matter and energy that are connected by energy flow. Biodiversity provides us many products, such as fuel, timber, fish, fodder, skin, fruits, cereals and medicines. For example, forests regulate the amount of carbon dioxide in the air by releasing oxygen as a by-product during photosynthesis, and control rainfall and soil erosion.
In simpler terms, biodiversity is the assemblage of different life forms (Fig. Similarly, there are many varieties within the same species such as rice, wheat, apples, mangoes, etc. Please try again.The biodiversity in different parts of the world has been largely preserved by the traditional societies.
It also includes variability within the same species and variability among the different species of plants, animals and microorganisms of an ecosystem.
19.3) etc. Thus, the different facets of biodiversity were closely linked to the social values in many regions.Consumption value is related to natural products that are consumed directly, i.e., the goods which do not come under normal circulation of trade. They may provide us indirect benefits as non-consumptive values. As all the organisms in an ecosystem are interlinked and interdependent, the value of biodiversity in the life of all the organisms including humans is enormous. The ecological diversity is of great significance that has developed and evolved over millions of years through interactions among the various species within an ecosystem.Indirect use of biodiversity is of much significance because this value is related primarily with functions of ecosystem and is concerned with national accounting systems. Many of them still live in the forests and meet their daily requirements from their surroundings. Start studying APES Biodiversity FRQ.
People go to far off places to enjoy the natural surroundings and wildlife.The diverse group of organisms found in a particular environment together with the physical and biological factors that affect them, constitute an ecosystem. This depends on the interaction between the biotic and abiotic factors and also takes into account immigration from other locations.Welcome to BiologyDiscussion! Start studying Biodiversity: Chapter 10 Review Answers. Trees like Peepal, Banyan and Tulsi are still worshipped. People also sometimes degrade and pollute the environment by their unethical actions.Though the study of environment and ecology is quite old, the term biodiversity has been introduced by Walter Rosen in 1986. Many people around the world still depend on wild species for most of their needs like food, shelter and clothing (Fig. The domesticated varieties of agricultural crops and animals have also evolved from the wild gene pool.This is the diversity in species, i.e. the number of species within a community.