Multiple choice question: Please help Over the past 2,000 years, the overall hum

Question

Multiple choice question: Please help

Over the past 2,000 years, the overall human population has grown:

1) exponentially

2)more than exponentially

3)according to the logistic growth equation

4) linearly

5) None of the above

In cod fishing, older and larger fish are more likely to be retained in nets than younger and smaller fish. Which of the following is a consequence of the resulting overexploitation?    Selection has led to increased body size.    Selection has led to decreases in the size of fish at the age of maturity    Selection has led to increases in the age of fish at the age of maturity    Both a and b    Both b and c

Explanation / Answer

In cod fishing, older and larger fish are more likely to be retained in nets than younger and smaller fish. Which of the following is a consequence of the resulting overexploitation?

Answer- Selection has led to decreases in the size of fish at the age of maturity

Explanation- Due to overexploitation of larger fish, their number diminishes and the later generation fishes are small sized.

Over the past 2,000 years, the overall human population has grown:

Answer- 1) exponentially

Explanation- The population has been increasing at a constantly growing rate.

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