q: What can frogs, toads and salamanders use to smell and taste chemicals?
Options:
- (A) sense organs
- (B) Chemical energy
- (C) matter vibrating
- (D) larynx
- (E) Organic compounds
- (F) ocular organs
- (G) gills
- (H) harmful substances
a: (A)... Explanation: Amphibians have sense organs to smell and taste chemicals. Frogs, toads and salamanders are amphibians. Frogs, toads, and salamanders have sense organs to smell and taste chemicals. That's why the answer is (A).

q: What is the behavior of attracting something that is phenotypically similar to the seeker called?
Options:
- (A) an object
- (B) stalking
- (C) jealousy
- (D) nonverbal communication
- (E) ducks
- (F) animals
- (G) orchids
- (H) courtship
a: (H)... Explanation: Courtship is behavior that is intended to attract a mate. Assortative mating is the mating of individuals that are phenotypically similar. Courtship is the behavior of attracting something that is phenotypically similar to the seeker. That's why the answer is (H).

q: What is sugar stored as by the body?
Options:
- (A) heat energy
- (B) sun's heat
- (C) A drug.
- (D) A kernel
- (E) energy
- (F) glycogen
- (G) lmestone
- (H) Hemoglobin
a: (F)... Explanation: Glucose is used for energy by the cells of most organisms. Glucose, the sugar the body uses for fuel, is stored as glycogen. Sugar is used for energry by the body is stored as glycogen. That's why the answer is (F).

q: Neurotransmitters and hormones are what in their function?
Options:
- (A) cells
- (B) organic
- (C) inorganic
- (D) complex
- (E) Vibrates
- (F) warm
- (G) properties
- (H) similar
a:
(H)... Explanation: Hormones are chemical messengers that control many body functions. Neurotransmitters are chemical messengers in the brain. Hormones and neurotransmitters behave in common ways. That's why the answer is (H).