That depends whether you mean just basic rock-bottom survival or survival and a happy life. Lets go for survival and a happy life. Here are some of the things needed:
2 - 3 servings of food a day
plenty of fresh water
food bowl
water bowl
a good home
love
care
attention
support
companionship
they need to be shown kindness
they need to be shown compassion
they need a human (or humans) as friend and family
toys to play with
nice, warm, comfortable place to sleep
exercise
taken out for nice walks
collar
leash
name on collar and home address in case they get lost
taken to the vet when needed
coat brushed
coat brush
dog coat for bad weather
Dogs need water, food, shelter, warmth, sleep, fur, exercise, and oxygen to live. Other things it needs are care, love, and many more, I guess. :D
Dogs need to have food water excercies and warm beds
Its helps them survive by being able to signal other animals if there in danger and also it attracts attention.
by getting enough exercise and eating also there fur helps them live through harsh winters
it helps them survive by eating ther pray
Most dogs work together to survive like wolves. Some work alone.
Because they are Prairie Dogs, not Beach Dogs.
Husky dogs have a thick layer of fur to keep them warm and survive in the most harsh conditions of snow.
Mammals usaully survive by instinct
By frying
The have animal instincts :)
..
What helps the common periwinkle to survive is adaptation. For instance, the periwinkle can survive being out of the water by withdrawing into their shells and closing the aperture. This will allow it to survive for several weeks.
Dogs survive on their own by killing smaller animals, Digging into someones garbage, or finding another dogs food and eat it.