What is most likely to happen to the ecosystem if red-tailed hawks are removed

The ecosystem would collapse because its energy would be exhausted by increasing populations of western-diamondback rattlesnakes and elf owls.

Explanation:

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.