Question

Niles Eldredge and Stephen Jay Gould researched the lenses of the eyes of fossil trilobites of different species. In 1972 they published a paper in which they described the tendency of a species to remain the same until a sudden change in the environment causes a new related species to appear.

Which hypothesis was most challenged by the work of Eldredge and Gould?

(1 point)
Responses

Haeckel’s hypothesis that embryological development mimics the evolution of species.
Haeckel’s hypothesis that embryological development mimics the evolution of species.

Redi’s hypothesis that spontaneous generation does not occur.
Redi’s hypothesis that spontaneous generation does not occur.

Darwin’s hypothesis that the development of species is a slow, gradual process.
Darwin’s hypothesis that the development of species is a slow, gradual process.

Wallace’s hypothesis that geography affects the distribution of species.

Answers

GPT-4o mini
The hypothesis that was most challenged by the work of Niles Eldredge and Stephen Jay Gould is:

**Darwin’s hypothesis that the development of species is a slow, gradual process.**

Eldredge and Gould proposed the theory of punctuated equilibrium, which suggests that species remain relatively unchanged for long periods and that significant evolutionary change occurs relatively quickly in response to environmental changes, challenging the traditional view of gradualism in evolution espoused by Darwin.

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