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biology 0610printed 205 · PDF 205
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16.3 Sexual reproduction in plants continued
Core Supplement
6 State that fertilisation occurs when a pollen 12 Describe the growth of the pollen tube and its
nucleus fuses with a nucleus in an ovule entry into the ovule followed by fertilisation
7 Describe the structural adaptations of (details of production of endosperm and
insect-pollinated and wind-pollinated flowers development are not required)
8 Investigate and describe the environmental
conditions that affect germination of seeds,
limited to the requirement for: water, oxygen and
a suitable temperature
16.4 Sexual reproduction in humans
Core Supplement
1 Identify on diagrams and state the functions
of the following parts of the male reproductive
system: testes, scrotum, sperm ducts, prostate
gland, urethra and penis
2 Identify on diagrams and state the functions of
the following parts of the female reproductive
system: ovaries, oviducts, uterus, cervix and
vagina
3 Describe fertilisation as the fusion of the nuclei
from a male gamete (sperm) and a female
gamete (egg cell)
4 Explain the adaptive features of sperm, limited
to: flagellum, mitochondria and enzymes in the
acrosome
5 Explain the adaptive features of egg cells, limited
to: energy stores and the jelly coat that changes
at fertilisation
6 Compare male and female gametes in terms of:
size, structure, motility and numbers
7 State that in early development, the zygote
forms an embryo which is a ball of cells that
implants into the lining of the uterus
8 Identify on diagrams and state the functions of 9 Describe the function of the placenta and
the following in the development of the fetus: umbilical cord in relation to the exchange of
umbilical cord, placenta, amniotic sac and dissolved nutrients, gases and excretory products
amniotic fluid between the blood of the mother and the blood
of the fetus
10 State that some pathogens and toxins can pass
across the placenta and affect the fetus
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