After an infection or injury to the lung, what can happen?
Options:
- (A) Destroy crops
- (B) a lot of human deaths
- (C) Plant growth is reduced
- (D) destroying life
- (E) forest is destroyed
- (F) opportunistic infections
- (G) death and devastation
- (H) negative impact
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Let's think first: Pneumonia may be caused by an infection or injury of the lungs. Opportunistic infections, such as Pneumocystis carinii pneumonia, begin to occur. Opportunistic infections may be a result of an infection or injury of the lungs.... So the answer is [(F)]


What do dolphins use to store energy?
Options:
- (A) saturated fatty acids
- (B) thermal insulators
- (C) kinetic energy
- (D) evaporation
- (E) Something coming from a gland
- (F) objects that have mass
- (G) it helps plants in growing
- (H) Positive charges
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Let's think first: Animals use saturated fatty acids to store energy. Dolphins are a very unique animal. Dolphins use saturated fatty acids to store energy.... So the answer is [(A)]


Urine is a product of what organ of the body that is excreted by the urinary system?
Options:
- (A) bowel
- (B) epidermal
- (C) bladder
- (D) alveoli
- (E) lungs
- (F) urine
- (G) mammals
- (H) NaCl
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Let's think first: Urine is the liquid waste product of the body that is excreted by the urinary system. Liquid waste is put into the bladder. Urine is the waste product in the bladder that is excreted by the urinary system.... So the answer is [(C)]


Freshwater biomes contain water that contains little to no what?
Options:
- (A) cations
- (B) Acids
- (C) Nutrients
- (D) sodium
- (E) Pollution
- (F) animals
- (G) plants
- (H) water
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Let's think first: Freshwater biomes have water that contains little or no salt. Another name for salt is sodium. Freshwater biomes have water that contains little or not sodium.... So the answer is [(D)]


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)]


Amphibians with what are more advanced than fish?
Options:
- (A) four eyes
- (B) sensory neurons
- (C) rapid expansion
- (D) layers of fat
- (E) four limbs
- (F) kinetic energy
- (G) tails
- (H) many limbs
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Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Let's think first: Amphibians are the first true tetrapods, or vertebrates with four limbs. All vertebrates more advanced than fish have four limbs, each with up to five fingers or toes. Amphibians with four limbs are more advanced than fish.... So the answer is [(E)]