Which of the Following Was NOT One of Darwin's Observations

question 50

Multiple Choice

Which of the following was NOT one of Darwin's observations?

• A) Most individuals have an equal chance to survive and reproduce.
• B) Changes in populations are gradual and take place over long periods of time.
• C) Members of the same species may exhibit considerable variation.
• D) Some characteristics are heritable and passed on to offspring.
• E) Some characteristics afford their possessor a better chance of survival.

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Definitions:

Primary Reinforcers

Innate reinforcing qualities, such as food and water, that fulfill basic biological needs and do not require learning to be effective.

Variable-ratio Schedule

A reinforcement schedule in behavioral psychology where a response is rewarded after an unpredictable number of responses, enhancing motivation to respond.

Specified Number

A particular or exact number that has been identified or stated.

Fixed-interval

A timing-based reinforcement plan where rewards are provided following the first response once a set timeframe concludes.