What are stimuli as described in the passage?

What are stimuli as described in the passage?

• A. Responses to environmental challenges
• B. Environmental signals that provoke reactions
• C. Inherent instincts within biological species
• D. Learned behaviors through practice

Answer: (B)

Stimuli, as described in the passage, refer to environmental signals that provoke reactions. This means that stimuli are external factors in the surroundings that can elicit a response from an organism. For example, a loud noise can cause an animal to flee or a bright light might cause a person to squint. Understanding stimuli involves recognizing that these signals trigger biological systems to respond in a certain way, which is crucial for survival and adaptation. The other choices delve into related concepts but do not encapsulate the definition of stimuli accurately. Responses to environmental challenges signify the actions taken following stimuli, while inherent instincts refer to innate behaviors that do not rely on external signals. Learned behaviors involve actions developed through experience, separate from the initial environmental signals that trigger responses.

Stimuli, as described in the passage, refer to environmental signals that provoke reactions. This means that stimuli are external factors in the surroundings that can elicit a response from an organism. For example, a loud noise can cause an animal to flee or a bright light might cause a person to squint. Understanding stimuli involves recognizing that these signals trigger biological systems to respond in a certain way, which is crucial for survival and adaptation.

The other choices delve into related concepts but do not encapsulate the definition of stimuli accurately. Responses to environmental challenges signify the actions taken following stimuli, while inherent instincts refer to innate behaviors that do not rely on external signals. Learned behaviors involve actions developed through experience, separate from the initial environmental signals that trigger responses.