Logic for the Q&A below: Dilation occurs when cell walls relax. When oxygen level decreases, dilatation of the blood vessels occurs. Decreased oxygen levels cause blood vessels to dilate and cell walls to relax.
Q: What causes cell walls to relax?
Options:
- (A) exercise
- (B) sweating
- (C) adding heat
- (D) Energy
- (E) dilation
- (F) heat or cold
- (G) heat
- (H) Dehydration
A: (E)
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Logic for the Q&A below: Testosterone stimulates the reproductive organs to develop into male organs. Examples of anabolic hormones are testosterone and nandrolone. Certain anabolic hormones stimulate the reproductive organs to develop into male organs.
Q: What stimulates the reproductive organs to develop into male organs?
Options:
- (A) Something coming from a gland
- (B) Chemical energy
- (C) A compound that donates proton
- (D) certain anabolic hormones
- (E) Something made from fermented ricce
- (F) Electrical energy
- (G) heat produced
- (H) sensory neurons
A: (D)
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Logic for the Q&A below: Ethologists usually study how animals behave in their natural environment. Ethologists are scientists who study animals in their natural habitats. There are scientists who study how animals behave in their natural environment.
Q: There are what who study how animals behave in their natural environment.
Options:
- (A) infants
- (B) heat or cold
- (C) insects
- (D) sensory neurons
- (E) scientists
- (F) people
- (G) humans
- (H) reptiles
A: (E)
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Logic for the Q&A below: Behaviors can be learned through play. Kids imitate adult actions and behaviors. Actions can be learned through play.
Q: How can an animal learn actions?
Options:
- (A) movement
- (B) Chemical energy
- (C) by fighting
- (D) through play
- (E) by eating
- (F) when they sleep
- (G) stamina
- (H) Riding a bike
A: (D)
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