In Spite of Arguments on Behalf of the U

question 120

True/False

In spite of arguments on behalf of the U.S. census and Frederick Jackson Tuner, it can be fairly argued that the American frontier did not close.​

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Definitions:

Origination Rate

The speed at which new species or genetic variations appear within a given lineage or ecosystem over time.

Extinction Rate

The rate at which species or other taxa disappear from Earth, an important factor in studying biodiversity and the effects of human activities and natural events on ecosystems.

Cichlid Species

A diverse group of freshwater fish known for their varied colors, shapes, and behaviors, native primarily to Africa and South America.

Adaptive Radiations

The rapid evolution of diversely adapted species from a common ancestor upon encountering new environments or ecological niches.