Biology

The correct answer is: D.Darwin's hypothesis that the development of species is a slow, gradual process.

Explanation:

Eldredge and Gould's work, published in 1972, introduced the concept of punctuated equilibrium. This theory suggested that species remain relatively unchanged for long periods (stasis) and then experience rapid changes in relatively short bursts, typically due to environmental changes. This directly challenged Charles Darwin's theory of gradualism, which posited that evolution occurs through slow, steady, and continuous changes over time.

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