Year 9 Reproduction Test Revision - 2026

Vocabulary flashcards covering methods of reproduction, fertilisation types, human reproductive anatomy, and plant reproduction for Year 9 science revision.

Sexual reproduction

A form of reproduction involving the fusion of male and female gametes to produce offspring.

Zygote

The initial cell formed when two gamete cells join through fertilisation.

Asexual reproduction

Reproduction involving only one parent that produces offspring genetically identical to the parent.

Internal fertilisation

The fusion of gametes occurring inside the body of an animal, such as in mammals.

External fertilisation

The fusion of gametes occurring outside the animal's body, common in some fish and amphibians.

Uterus

The hollow, muscular organ in females where a fetus develops during pregnancy.

Endometrium

The lining of the uterus that thickens during the menstrual cycle to prepare for a possible pregnancy.

Placenta

An organ that develops during pregnancy to provide oxygen and nutrients to the fetus and remove waste products.

Gametes

The male (sperm) and female (ova) sex cells produced for reproduction.

Gestation

The period of development of a fetus inside the uterus (in humans, approximately 40 weeks).