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: Many consumers feed at more than one trophic level., Fact2: Consumers are heterotrophs that feed on tissues of other organisms., Question: What may eat other organisms at more than one trophic level? (A) barnacles (B) chickens (C) fur seals (D) humans (E) heterotrophs (F) mammals (G) animals (H) rabbit

A: E
****
Q: Fact1: Some touch receptors sense differences in temperature or pain., Fact2: Touch receptors are free nerve endings or nerve endings that are surrounded by a capsule., Question: What senses differences in temperature? (A) the skin (B) Electric devices (C) animals (D) an electric stove (E) nerve endings (F) an organism's body (G) Most plants (H) peachleaf willow

A: E
****
Q: Fact1: Streams may start with runoff or water seeping out of a spring., Fact2: Floods occur mostly in the spring from snowmelt runoff., Question: what do snowmelts feed? (A) rivers (B) energy (C) streams (D) fields (E) ocean (F) animals (G) Energy. (H) mountains

A:
C
****