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: Organisms cluster around hydrothermal vents in the ocean floor., Fact2: To survive, some organisms living near hydrothermal vents have formed close associations., Question: How is survival ensured around hydrothermal vents? (A) heat produced (B) Eating a lot (C) Reproducing quickly (D) biological diversity (E) vegetation (F) Being in a cluster (G) Staying far apart (H) hydrate their cells
F

Fact1: an egg requires warmth to survive, Fact2: Inside the egg, the developing rattlesnake is nourished by the yolk of the egg., Question: a developing rattlesnake requires what to survive (A) warmth (B) companionship (C) nutrients (D) shade (E) desert (F) food (G) energy (H) air
A

Fact1: sexual reproduction increases genetic diversity, Fact2: Sexual reproduction combines an egg and a sperm., Question: what increases genetic diversity? (A) deoxyribonucleic acid (B) Males and females (C) h2o (D) death (E) same sex marriage (F) combining egg and sperm (G) rapid expansion (H) By coral exoskeletons

F