How do landforms affect life on earth?

Primarily, the landforms of the continental crust of the earth has great contributions to life on earth. Landforms, may include hills, mountains, forest, plateaus and etc. where animals and plants can strive and also survive. Firstly, it is their habitual environment, certain animals and plants adapt to the environment of which land form they are positioned. It shapes their survival and strategic adaptations on how they can scavenge for food. Second is, it affects the species. Notice that only some animals survive and live in savanna, or tropical areas, maybe the Antarctic –polar bears. Each “landform” has its own situated specie where it can grow and survive.  

Isay b but i'm not sure.