Consider the following six statements (a-e) about causes of biodiversity losses.
a. Tropical rain forests once covering more than 14% of the earth's land surface, these forests now cover no more than 0.6%.
b. Biological system should not be exploited beyond the degree of their renewability.
c. Nile perch, a large predator fish was introduced into Lake Victoria of East Australia.
d. Lantana is an indigenous plant of our country.
e. Recent illegal introduction of the American catfish for aquaculture purpose is posing a threat to the indigenous catfishes in our rivers.
Which of the above statement(s) is/are correct?

Options

A. a & b
B. b,c & d
C. b,c and e
D. b,d & e

Explanation

To determine which statements about the causes of biodiversity loss are correct, let's analyze each statement step by step:

### Step 1: Analyze Statement A
- **Statement A**: Tropical rain forests once covering more than 14% of the earth's land surface, these forests now cover no more than 0.6%.
- **Analysis**: This statement is incorrect. While tropical rainforests have indeed suffered significant deforestation, they still cover approximately 6% of the earth's land surface, not just 0.6%. Thus, this statement is false.

### Step 2: Analyze Statement B
- **Statement B**: Biological systems should not be exploited beyond the degree of their renewability.
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