They are all about the same topic. And they use something else as an example of transformation... thus making it an analogy, or a metaphor.
There many ideas which you can explore within a five minute presentation.
Ideas which you could explore include issues that are currently occurring in the world and through your presentation you can raise awareness about them.
Examples of current issues you can use include:
- Saving the environment such as stopping deforestation to save the natural environment and animal habitats
- Dehumanisation or self-dehumanisation
- Bullying and cyber bullying
- Slavery
- Lack of freedom of speech
- Lack of right to vote
- Lack of right to gay marriage
Hope this helps! :)
Have a lovely day! <3
You might want to try "The road not taken" from Robert frost