4. A：昼ごはんを食べに行こうよ。 B：これだけやってから、5分待って。 (A)きた (B)ある (C)いる (D)しよう

4. Different species of lizards live in close proximity and feed on insects and arthropods. Each species has preferred perch and distinct niche. This phenomenon is (A) resource partitioning (B) competitive exclusion (C) sympatric competition (D) allopatric competition