Vocabulary Lesson 4

2. The process of pollen entering or being put into a flower or plant so that it produces seeds. * Fertilization : The process of causing a seed to start to develop into a new plant by joining it with a male cell.
3. To make something or bring something into existence.
7. An animal that has a spine.
8. To contain something as a part of something else.
10. Giving birth to young that have already developed inside the mother's body.
14. To keep someone or something safe from injury, damage, or loss.
15. A piece of clothing worn by a person who travels in space.
17. The small hard part produced by a plant, from which a new plant can grow.

1. The round hole at the top of a volcano.
4. To give someone or something a name.
5. To own.
6. Any animal with no backbone, for example a worm.
9. The act of using something in a careless or unnecessary way, causing it to be lost or destroyed.
11. Producing eggs that hatch outside the mother's body, as with birds.
12. A vehicle used for travel in space.
13. Start growing.
15. The top part of the pistil; this is the part that collects the pollen. * Style : The part between the stigma and the ovary.
16. Air that moves quickly as a result of natural forces.