Reproduction year seven homework
Across
- 2. The pollen grain lands on a different flower to the one it originated from.
- 4. an insect or other agent that conveys pollen to a plant and so allows fertilization
- 7. the action or process of distributing or spreading things or people over a wide area.
- 8. produce millions of sperm
- 10. One of a pair of female glands in which the eggs form and the female hormones estrogen and progesterone are made.
- 11. The sperm from a male meets an ovum from a female and forms a zygote
- 14. There are two main forms: sexual and asexual
- 15. the unit of reproduction of a flowering plant, capable of developing into another such plant
Down
- 1. This hormone plays an important role in female traits, such as breast development
- 3. The pollen grain lands on the same flower it originated from.
- 5. collectively called the calyx
- 6. The time of life when a child experiences physical and hormonal changes that mark a transition into adulthood.
- 9. comparative more sexual, superlative most
- 12. the part of a plant embryo that develops into the primary root
- 13. compound with the chemical formula H2O