Environmentalist is often a term used to describe impassioned tree huggers but the word literally means someone who studies the environment so environmentalists can be scientists as well. An ecologist studies the environment and an environmentalist wants to save the environment.
NEIL DEGRASSE TYSON: Just in case our human bodies can't live forever, this computer scientist is trying to design virtual replicas, avatars, that will. JASON LEIGH: An avatar is an instance of yourself that's digital, that will never die. NEIL DEGRASSE TYSON: Jason knows he can't really make you live forever, but he can use computers to preserve your thoughts, memories and even the way you look, for eternity.
If it is too soon to plant the seeds out you can add your germinated seeds to the compost or use them as a center piece on the table and see how long you can grow the seeds in a paper towel. Seed Life Span. Different seeds have different life spans. Onion seeds, for example, rarely live over two years, where as alfalfa seeds can be viable for 20 years. There are even reports of seeds that are hundreds of years old and the seeds will still germinate. How the seeds are stored affects the lifespan of the seeds. Some seeds, no matter how they are stored, just donât live long at all. The chart below shows the average life spans of seeds that are stored properly.