Why was it helpful to Darwin to learn that Lyell thought the...

Name: Problem 4, Chapter 15: Biology
Uploaded: 2019-07-30T23:30:35-08:00
Duration: 2 min 27 s
Channel: Justin Im
Description: Why was it helpful to Darwin to learn that Lyell thought the Earth was very old? a. An old Earth has more fossils than a new Earth. b. It meant there was enough time for evolution to have occurred slowly. c. There was enough time for the same species to spread out into all continents. d. Darwin said that artificial selection occurs slowly. e. All of these are correct.

Why was it helpful to Darwin to learn that Lyell thought the Earth was very old? a. An old Earth has more fossils than a new Earth. b. It meant there was enough time for evolution to have occurred slowly. c. There was enough time for the same species to spread out into all continents. d. Darwin said that artificial selection occurs slowly. e. All of these are correct.

Why was it helpful to Darwin to learn that Lyell thought the Earth was very old?
a. An old Earth has more fossils than a new Earth.
b. It meant there was enough time for evolution to have occurred slowly.
c. There was enough time for the same species to spread out into all continents.
d. Darwin said that artificial selection occurs slowly.
e. All of these are correct.

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Key Concepts

Deep Time

This concept refers to the understanding that the Earth has existed for an extremely long period, which is fundamental for theories of gradual change. Recognizing deep time implies there has been ample opportunity for slow processes, including evolution, to occur over millions of years.

Gradualism

Gradualism is the idea that significant changes in nature, including the evolution of species, occur through the accumulation of small, incremental modifications over long spans of time. This concept is integral to understanding evolutionary processes and supports the notion that complex life forms could evolve gradually.

Uniformitarianism

Uniformitarianism is the geological principle stating that the processes shaping the Earth today have operated in the same manner in the past. This perspective supports the concept of deep time and gradual change, providing a framework that allows for slow, continuous processes such as evolution to be plausible over geological timescales.

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