2. Differentiate between the following.
(a) Wildlife sanctuary and biosphere reserve
(b) Zoo and wildlife sanctuary
(c) Endangered and extinct species
(d) Flora and fauna
Science -VIII Uttarakhand Mudran Varsh 2018-19
Answers
2.a) Wildlife sanctuary is the place where wild animals are protected in their natural habitat. ... Biosphere reserves are the area used to conserve biodiversity like plants, animals and microorganisms. It contains many wildlife sanctuaries and national parks.
b) The main difference between zoos and sanctuaries is how they acquire their animals. A zoo might buy, sell, breed, or trade animals, or even capture animals from the wild. ... A sanctuary also does not capture animals from the wild but acquires only animals who can no longer survive in the wild.
c) Extinct species are the organisms that have become extinct either in the wild or completely. An endangered species is a species of organisms facing a very high risk of extinction. They are living today but t heir number has decreased and may become extinct in future.
d) Flora is defined as all the naturally occurring native plants of a particular region. Fauna is all the animal life present in a particular place or at a particular time period.
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A wildlife sanctuary is a specific habitat of an animal that is endangered. Biosphere Reserve: 3 areas, Core, Buffer & Marginal, No outside Species allowed, Conservation & research purpose both. (2) And the difference between a Sanctuary and a National Park mainly lies in the vesting of rights of people living inside.
A zoo might buy, sell, breed, or trade animals, or even capture animals from the wild. A sanctuary does not breed, buy, sell or trade animals. A sanctuary also does not capture animals from the wild but acquires only animals who can no longer survive in the wild.
An endangered species is a type of organism that is threatened by extinction. Species become endangered for two main reasons: loss of habitat and loss of genetic variation. Loss of Habitat. A loss of habitat can happen naturally.
Flora refers to the natural vegetation including plants, fungi, algae in a particular geographical region. Fauna refers to the animals life living in a particular geographical area or region. Field. These are studied under the botany and the person who studies is known as Botanist.