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").

Q: Fact1: cross-pollination increases genetic diversity, Fact2: Evolution requires genetic diversity., Question: What does evolution require? (A) Time and energy (B) Plant reproduction (C) cross-pollination (D) Reproduction (E) gene flow (F) coded genes (G) circulatory systems (H) animals with backbones

A: C
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Q: Fact1: Phylogeny is the evolutionary history of a group of related organisms., Fact2: Much of evolutionary biology involves the history of organic diversity., Question: Phylogeny is the history and organic diversity of what? (A) unicellular organisms (B) unrelated organisms (C) evolved areas (D) unrelated events (E) one-celled animals (F) trees and flowers (G) related organisms (H) ecosystems

A: G
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Q: Fact1: a balance is used for measuring mass of an object, Fact2: Bears are proportionally weighted for use on a balance for measurement discoveries., Question: Bears are proportionally weighted on a balance for discovering what? (A) size (B) traits (C) mass (D) age (E) energy (F) forces (G) SNPs (H) shape

A:
C
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