Q109 · Practice questionSimple familiar1 mark
QUESTION 109
A fish population declines while water quality and habitat area remain similar. Catch records show that removal by fishing exceeded the production of new adult fish each year. Which human impact is most directly supported?
(A)
Overexploitation
(B)
Nitrification
(C)
Primary succession
(D)
Increased habitat connectivity
WORKED SOLUTION
1 markAnswer A
Answer
A
Working
The evidence specifically identifies extraction at a rate greater than replacement: overexploitation. It does not identify chemical pollution or habitat destruction as the observed cause.
Marking criteria
- Select A. [1 mark]
Practice question aligned to the current QCAA syllabus; review the worked solution and marking criteria.
View the QCAA syllabus