CAIE IGCSE Biology 19.2.10 Food Chains and Food Webs to Describe Questions
Practise using feeding links to explain how overharvesting or introducing a foreign species changes populations in a habitat.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- predict predator and prey population changes after a food species is overharvested
- justify each food-web change by tracing reduced predation or reduced food through linked organisms
CAIE IGCSE Biology 19.2.10 Food Chains and Food Webs to Describe Questions question 1
A student recorded the information about an aquatic habitat.
Fig. 4.1 shows the student's notes.
Fig. 4.1
Humans also eat salmon.
Predict the impact on the feeding relationships shown in Fig. 4.1 of overharvesting of salmon.
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