A) Lovely creatures
B) Useful to humans as part of ecosystem
C) To be studied by zoologists
D) Man cannot recreate a lost species.
Correct Answer: B
Solution :
[b] The more species disappear, the more entire eco-systems become vulnerable and would eventually fall apart as the links in the food chains become broken. For example certain animals only eat certain plants and those plants may need that animal to pollinate it or spread its seed. Without one, the other is also likely to die out. The ecosystem we live in is a single system linking all within it and we humans are just another part of it.
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