specialised cell

Question 1

small intestine- job: absorb food molecules adaptation: tiny fold- increase surface area (micro-villi)
sperm cell- job: fertilise egg adaptation:mitochondria energy to swim, across one breaks through egg jelly coat (haploid)

Answer 1

egg cell- job: fertilise by cell, develop into embryo adaptations: jelly coat protects cell, mitochondria nutrients provide growth (haploid)
cilliated epithelial cell- job: clear mucus out of lungs adaptations: small hairs on surface to sweep mucus