What is a source of drinking water?
Options:
- (A) ice expanding in rock openings
- (B) helping to prevent floods
- (C) industrial runoff
- (D) it helps plants in growing
- (E) Water seeping out of a spring
- (F) salt water
- (G) polluted water
- (H) Something with a head, thorax, and abdomen
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Let's think first: Streams may start with runoff or water seeping out of a spring. Lakes and streams are sources of drinking water. Water seeping out of a spring is a source of drinking water.... So the answer is [(E)]
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Saturated fatty acids are used for:
Options:
- (A) exercise
- (B) Reproducing
- (C) solid, liquid, gas
- (D) energy storage
- (E) keeping the dog warm
- (F) oxidation reaction
- (G) an organism's body
- (H) Plants growth
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Let's think first: Animals use saturated fatty acids to store energy. Animals store excess energy as fat. Saturated fatty acids can be used to store excess energy.... So the answer is [(D)]
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What uses food for energy?
Options:
- (A) Most plants
- (B) no organisms
- (C) agriculture
- (D) the Moon
- (E) animals
- (F) athletes
- (G) most organisms
- (H) the Sun
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Let's think first: Glucose is used for energy by the cells of most organisms. Food is converted into glucose. Food is used for energy by most organisms.... So the answer is [(G)]
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What produces both eggs and sperm?
Options:
- (A) Plant reproduction
- (B) sub-units of species
- (C) gastropod shells
- (D) an individual mature sponge
- (E) Microscopic organisms
- (F) members of their own species
- (G) peachleaf willow
- (H) seed dispersal
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Let's think first: Adult sponges produce eggs and sperm. An adult is mature, fully developed. Mature sponges produce eggs and sperm.... So the answer is [(D)]
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