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?

Answer 1

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

Answer 2

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

Darwin's  hypothesis:

In general, hypotheses in biology should be based on a credible, referenced source of information. A hypothesis must be testable to ensure that it is valid. For example, a hypothesis that depends on what a dog thinks is not testable, because we can’t tell what a dog thinks.

Charles Darwin in 1868 Darwinism is a theory of biological evolution developed by the English naturalist Charles Darwin (1809–1882) and others, stating that all species of organisms arise and develop through the natural selection of small, inherited variations that increase the individual's ability to compete, survive, and reproduce.

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