The products that are derived from invertebrates are the following:
1. food - crabs, lobsters, oysters, octopuses: all of these are invertebrates (meaning they have no spine) and are used as food
2. shell - seashells are invertebrates and their shells are used for various purposes
3. jewelry - shells are used as jewelry, as well as pearls coming from seashells
4. silk - silk comes from silkworms, which are invertebrates
I just wouldn't pick cotton, because you get cotton from a plant.
The answer to this is reporting information. I guess reporting information means to share with others, share your report with other biologists and compare your work with others. usually comparing work with others help with your project that you are working on.
I believe it is called meiosis