Q: In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
Fact1: Specialization occurs when competing species evolve different adaptations., Fact2: Most species are highly specialized for their environments and evolve as the environments change., Question: Specialization occurs when competing creatures evolve as the what? (A) habitats grow (B) salamanders (C) animals develop (D) times change (E) It helps them survive (F) principals of aerodynamics (G) environments change (H) remains of prehistoric life
A:
G