CAIE IGCSE Biology 16.4.5 Adaptive Features of Egg Cells
Practise explaining how nutrient stores support early development and how the egg's jelly coat prevents multiple fertilisation.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- link protein and fat stores to energy, membranes and new cells during early development
- state that the jelly coat changes or hardens after the first sperm enters
- explain that this change prevents additional sperm from fertilising the egg
16.4.5—Adaptive features of egg cells question 1
[Maximum number: 1]
State the function of the jelly coat that surrounds egg cells.
to prevent more than one sperm fertilising the egg / stops other sperm entering ;
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