You need water for their bodies to carry out the process of creating enery. Every part of your body needs water to continue working. It you get too dehydrated you die. Don't forget that humans need water you try living without water or watery food for a day or more. :P
Water and nutrients
All animals need three basic things to stay alive: food, water, and shelter. Humans included.
Students need to know How Animals Stay Alive because it teaches them: * how animals obtain and digest food. * understand respiration and circulation. * how animals preserve water balance and excrete waste. * understand the functions of the endocrine system and the nervous system.
food, water, shelter? i think these things are universal for most animals...
instinct
Animals need food to stay alive because food gives them nutrients and energy. Nutrients and energy are both important because they help the bodies of animals function.
The four thing you need to stay alive are: Oxygen, water, Food, and Air
It depends on the type of animal but they need plants,water, meat, fruit etc
Oxygen.
They are mammals like we are and they need air, water and food. The food they eat can range from insects, fruit and small animals..
Water to swim in
Because they need food to stay alive.