CAIE IGCSE Biology 16.4.4 Adaptive Features of Sperm Cells
Practise explaining how a sperm cell's flagellum, mitochondria and acrosome enable movement and egg penetration.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- link the flagellum to swimming and movement towards the egg cell
- link numerous mitochondria to aerobic respiration and energy for flagellar movement
- explain that acrosome enzymes digest the egg's jelly coat to allow entry
16.4.4—Adaptive features of sperm question 1
[Maximum number: 3]
Once an egg cell has been released from a follicle it can be fertilised by a sperm cell.
State three adaptive features of a sperm cell.
1
2
3
any three from:
flagellum ;
(many) mitochondria ;
acrosome (containing enzymes) ;
haploid (nucleus) / AW ;
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