Homework SourseMultiple choice question Please help Over the past 2000 year
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 |
Solution
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.
