How Did Lamarck Contribute to the Theory of Evolution

question 13

Multiple Choice

How did Lamarck contribute to the theory of evolution?

• A) He discovered genetic mutation through experiments with pea plants.
• B) He proposed the concept of natural selection after his voyage to the Galápagos Islands and his study of finches.
• C) He proposed the first serious model of how traits are passed on from parent to offspring through inheritance of acquired characteristics, though that idea turned out to be incorrect.
• D) He proposed a concept known today as gene flow.

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Definitions:

Neural Groove

A shallow groove on the surface of the neural plate during embryonic development that eventually deepens to form the neural tube.

Neural Tube

The embryonic precursor to the central nervous system, which later develops into the brain and spinal cord.

Mesonephros

The mesonephros is the middle of the three pairs of embryonic kidneys that develop in vertebrates, functioning transiently and later contributing to the genital system in males.

Secondary Palate

The part of the palate that separates the nasal cavities from the oral cavity in mammals, contributing to the ability to eat and breathe simultaneously.