Well, cold climates have made the people in those areas, seek heat, water might be scarce bc it may be frozen, wood is very important for fire, hunting animals may be good for food, tools, anddddddd clothes to keep warm of course. And even different means of transportation, different jobs available, no outdoor pools in Iceland lol.
Hotter climates call for clothes to keep you cooler, lots of water for hydration, food to keep all your required nutrients from sweating out, different jobs and transportation
Hotter ecosystems will have animals that like the heat and plants and vegetation that does good in warm climates.
Cooler ecosystems will have animals that like the cold and plants and vegetation that does good in cooler environments.
Hope these helped!