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BIO NMDCAT Lamarckism
nmdcat.online July 14, 2026

What does Lamarck’s postulate of “Internal Vital Force” suggest?

A. Organisms have an innate, internal drive to become more complex and perfect.
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B. Organisms are controlled entirely by external thermodynamic forces.
C. Every cell contains a tiny replica of the entire organism called a gemmule.
D. Biological processes are driven solely by chemical reactions in the cytoplasm.

📝 Explanation

Lamarck's first postulate suggested that living organisms possess an inherent internal vital force that drives them toward greater organizational complexity.

📖 Additional Information

  • Organisms have an innate, internal drive to become more complex and perfect.
  • Organisms are controlled entirely by external thermodynamic forces.
  • Every cell contains a tiny replica of the entire organism called a gemmule.
  • Biological processes are driven solely by chemical reactions in the cytoplasm.

Lamarck's first postulate suggested that living organisms possess an inherent internal vital force that drives them toward greater organizational complexity.

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