The Romans needed water, food and shelter to stay alive just like everyone else.
There were no Romans during the Ice Age.
They need to stay alive to support the organism
To stay alive, flowers need sun, water, soil, and nutrients.and oxgan
Oxygen is needed to stay alive. Without it you suffocate.
The four thing you need to stay alive are: Oxygen, water, Food, and Air
plants need oxygen to stay alive and carbon dioxide for photosynthesis
To stay alive
Enviorment
Blood.
they need a lot of energy
breath and crap like that
to stay alive