“Biological Diversity” means the (a) variability among living organisms from all sources including, among others, terrestrial, sea and other fresh water ecosystems, and the ecological complexes of which they are part; it includes diversity within species between species, and of ecosystems. Literal meaning of biodiversity is the (b) diversity of all life forms on earth. This includes the various races and species of all micro-organisms, plants, and animals that live on earth, including their genetic differences.
Bangladesh is a (c ) transitional zone of flora and fauna, because of its geographical settings and climatic characteristics. There are many rivers and streams existing in the country covering a length of 22,155 km. In addition to
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According to the Red List of IUCN, 54 species of inland fishes, 8 amphibians, 58 reptiles, 41 resident birds, and 40 mammals are (h) threatened throughout the country. Among the marine and migratory species of animals, 4 fishes, 5 reptiles, 6 birds, and 3 mammals are threatened. So far, the Red Data Book on plants, which is under preparation at BNH, lists 96 seed-bearing plant species that are threatened. The loss of biodiversity is the result of various kinds of human development (i) intervention and activities, especially in the areas of agriculture, forestry, fisheries, urbanization, industries, chemicals, minerals, transport, tourism, and energy.
Without changing the meaning, replace the underlined words with the words in the list below. One is done for you. There are more words than you require.
(a) _______________________________ (b) ___________________________ (c) ___________________________ (d) ___________________________ (e) ___________________________ (f) ___________________________ (g) _________Significant__________ (h) ___________________________ (i) ___________________________
assets | significant | extinct | intrusion | | changeability | | overflow | uniformity | territory | | endangered | intermediary | variety |