Its a weed, living in fresh waterways, native to North America, it was brought to Europe and the rest of the world by botanics.
I think they stay alive for maybe 10-13 yrs.?
10-12 years
Yes they can, sometimes more :)
Roster...probaly...
Yes, sperm can stay alive for about 1-2 days outside of a males body..
They need to stay alive to support the organism
Oxygen is needed to stay alive. Without it you suffocate.
The four thing you need to stay alive are: Oxygen, water, Food, and Air
To stay alive
Enviorment
they need a lot of energy
No, the elodea cell is not a single-celled organism. Elodea is a multicellular plant that consists of various types of cells working together to carry out different functions such as photosynthesis and structural support. Each elodea cell is itself a single unit of this larger organism.
breath and crap like that
to stay alive
Water to swim in
The Romans needed water, food and shelter to stay alive just like everyone else.
It does need resources.