IB skill practice

Analyse population interactions and food webs

Syllabus-aligned Biology SL genetics, ecology, and evolution skill with approved production seeds.

Paper 1, Paper 2 5 marks Difficulty 5

Read a food-web arrow

In a food web from a cell-division microscopy practical, an arrow points from grass to insects. Explain what the arrow means. Use the diagram labels, allele model, food-web arrows, or data values before answering. Enter the answer and choose the interpretation that best matches the biological evidence.

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