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Find the value of the permutation.
-P(7, 7)
Laboratory Research
Systematic investigation and experimentation carried out in controlled environments to discover new knowledge or validate theories.
Primary Consumer
An organism that feeds directly on producers, such as plants or phytoplankton, in an ecosystem. Also known as herbivores.
Trophic Level
The position an organism occupies in a food chain, often categorized into levels such as primary producers, primary consumers, and higher-level consumers.
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