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DIRECTIONS: In each of the following paragraph, a part of sentence is left unfinished. Beneath each sentence, four different ways of completing the sentence are indicated choose the best alterative among the four. Nature has millions of interwoven interrelationships among the numerous flora and fauna __________. These food webs and pyramids can give scientists a broad idea that organisms interact with each other for their food, shelter and mating. Each specific interrelationship if studied in depth can be very interesting and brings to light significant facts of our surroundings and the importance of every living being on this earth.

A) But, we have been destroying such interrelationships in the path of development

B) If the entire nature is considered one machine every living being has its own role in running of this machine

C) Such relationships are the basis for the food webs and food pyramids       

D) Hence, scientists must educate public opinion for implementing the conservation programs