Respuesta :

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Answer:

To meet this energetic challenge, hummingbirds save enough energy to survive cold nights by lowering their internal thermostat at night, becoming hypothermic.

Explanation:

yojmomento

Answer:

The Hummingbird uses a process known as torpor, where it lowers it's tempeture below the point of death (18°C/65°F) and slows it's metabolic rate.

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