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: Sponges have specialized cells called collar cells., Fact2: Flagellum of collar cell cause current to pass over collar and food is collected., Question: Which aspect of a sponge's cells allow it to collect food? (A) the cervix (B) teeth (C) flagellum (D) cartilage (E) plasma (F) osculum (G) tissue (H) potassium
C

Fact1: cell division often causes growth, Fact2: Mitosis is cell division., Question: What often causes growth? (A) exercise (B) hormones (C) Atrophy (D) collagen (E) Earthworms (F) Apoptosis (G) Necrosis (H) Mitosis
H

Fact1: Secondary growth forms secondary vascular tissues and bark., Fact2: Some, such as bamboo and palm trees, have secondary growth., Question: Secondary vascular tissues are employed by bamboo and what other kind of tree? (A) plants (B) ferns (C) grass (D) coniferous (E) Trees (F) elms (G) palm (H) deciduous

G