Different environments support different types of organisms. Here's why:

* Environmental Factors: Things like temperature, rainfall, sunlight, soil type, and available nutrients vary drastically between environments. These factors directly influence which organisms can survive and thrive.

* Adaptations: Organisms evolve adaptations that allow them to succeed in their specific environment. A cactus in the desert has adaptations for water conservation, while a fish in the ocean has adaptations for breathing underwater.

* Competition and Predation: The types of organisms present in an environment are also shaped by competition for resources and the presence of predators.

Example: A tropical rainforest, with its high humidity and abundant rainfall, will support different plants and animals than a cold, dry tundra.