Environmental Science
The response of predator to prey and vice-versa, over ten of thousands of years, produces physical and behavioral changes in a process called

Evolution
Origin
Co-evolution
Development

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Environmental Science
An important reason for the large daily temperature range over deserts is:

The ozone content of desert air is very low
There is little water vapor in the air to absorb and re-radiate infrared radiation
Free convection cells are unable to form above the hot desert ground
The light-colored sand radiates heat very rapidly at night
Dry air is a very poor heat conductor

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