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Which of the following can serve as an entry barrier?
Energy Homeostasis
The dynamic process by which the body regulates its internal environment to maintain energy balance, involving the intake, storage, and expenditure of calories.
Vertebrates
Animals with a backbone or spinal column, including fish, amphibians, reptiles, birds, and mammals.
Food Intake
The consumption of food substances by organisms to acquire the necessary nutrients for energy, growth, and maintenance.
Hemorrhaging
Excessive bleeding caused by the rupture of blood vessels, which can occur internally or externally.
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