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: Biodiversity increases the productivity and stability of ecosystems., Fact2: An ecosystem includes the organisms and their habitat., Question: what does biodiversity increase the productivity and stability of? (A) density (B) the looseness of soil (C) water vapor (D) the environment (E) h2o (F) swamp vegetation (G) biological diversity (H) organisms and their habitat
H

Fact1: if all members of a species cannot produce offspring then that species will likely become extinct, Fact2: Avian species are less likely to become extinct if they are common across large ranges., Question: Avian species are less likely to end up extinct if they what? (A) single-celled organisms (B) important habitats (C) abandon habitats (D) stop reproducing (E) animals with backbones (F) produce offspring (G) population movement (H) destroy offspring
F

Fact1: Fertilization occurs when sperm swim to an egg inside an archegonium., Fact2: If fertilized, the egg implants itself in the uterus., Question: the egg implants itself in the uterus after sperm does what? (A) permineralization (B) release more eggs (C) rapid expansion (D) migrate (E) swim to the sea (F) reproduce (G) swim to an egg (H) drown in the uterus
G