Practise human reproduction questions by labelling reproductive organs, comparing gamete adaptations and tracing fertilisation, implantation and fetal exchange.
Fig. 6.1 is a diagram of the human male reproductive system.
Fig. 6.1
Table 6.1 contains information about the male reproductive system shown in Fig. 6.1.
Complete Table 6.1.
Table 6.1
Sperm have adaptive features to carry out their function.
Explain three adaptive features of sperm.
1
2
3
Fig. 5.1 is a photograph of a koala.
Koalas are marsupial mammals that give birth to offspring that are incompletely developed.
The offspring develops further for several months inside the pouch of the mother.
Fig. 5.1
Fig. 5.2 is a diagram of part of the human female reproductive system, viewed from the side of the body.
Fig. 5.2
Complete Table 5.1 by writing the letters that identify the structures in Fig. 5.2, the names of the structures and the functions.
Table 5.1
Pregnant human females have a placenta.
Describe the function of the placenta in humans.
The placenta is connected to the amniotic sac.
State two functions of the amniotic fluid that is found in the amniotic sac.
1
2
When does fertilisation occur in humans?
when an egg is released
when implantation occurs
when sperm and egg nuclei fuse
when sperm are released