Which of the Following Statements About Observational Methods Is Not

question 83

Multiple Choice

Which of the following statements about observational methods is not true?

• A) They can be very economical.
• B) They avoid potential biases.
• C) They can be conducted by a human or by mechanical devices.
• D) They are a form of secondary data collection.

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Definitions:

Fiddler Crab

A species of crab known for the extreme size difference between the left and right claws in males, commonly found in mangroves and mudflats.

Lever

A simple machine consisting of a rigid bar pivoted on a fixed point, used to transfer force and motion to perform work.

Sterile Workers

Individuals within a eusocial species, like ants and bees, who are incapable of reproduction and specialize in tasks like foraging and defense.