There are many but these are the main ones.
-Ideal Diet for the species in question
-Freedom from pain/abuse or disease
-Correct environment
-Proper Social housing. E.g. An animal that spends its life in solitude should be housed in solitude unless you plan to breed and have a licence to do so.
-The ability to exhibit normal behaviour E.g. if your animal naturally climbs provide an environment for it to do so safely.
The five most common requirements are oxygen, water, food, shelter and protection.
food, water, shelter, and air
Most animals need food or nutrition to survive .
Tigers need food to survive like all animals and mammals. Also it needs food for it's young.
The ocean animals need oxygen to survive.
There are just a few basics that animals need to survive. A duck needs access to food, shelter from weather, and access to water. Having access to this, helps a duck survive.
They need to eat, process energy, avoid being eaten, reproduce, adapt, survive... just about identical to plants and other animals.
animals need oxegyn to survive because they have a espotory system and thats taht
Most animal needs light to be able to search for their foods and some other important things they need to survive.it is not every animals that needs light,there are some animals that can survive even without light;for example, a BAT a bat does not need light to survive and a cat also needs not too much light to survive.these two animals can see at night so they dont need light. but generally all animals need light to survive.
All animals need water to survive.
All animals need food to survive.
They all do ... but you may be thinking of plants - they don't need animals to survive but animals need plants.