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Artyom0805 [142]
3 years ago
12

Identify the type of energy used in each action

Biology
1 answer:
Irina-Kira [14]3 years ago
5 0

1. Identify the energy transformations in the following actions. (10 points)

Turning on a space heater

Dropping an apple core into the garbage

Climbing up a rope ladder

Starting a car

Turning on a flashlight

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Hibernation helps animals survive the changing seasons. Foods that bears eat, such as berries and flowers, are much less available during cold winter months. When they hibernate, bears enter a deep sleep. ... While they sleep, the bears can survive because their bodies live off of their stored fat or food.

During hibernation, the animal’s body temperature, heart rate and breathing rate all drop to significantly lower levels. Animals do this to survive the winter because the weather is cold and food is scarce. It is advantageous because these animals can quite literally shut themselves off for weeks at a time rather than try and survive through harsh weather conditions.

While many people think bears are hibernators, they actually participate in a similar, though not exact, practice. Instead of hibernating, bears fall into a deep sleep called torpor. During torpor, heart rate and breathing rate decreases, body temperature reduces slightly and bears do not eat or release bodily waste. Bears can sleep more than 100 days without eating, drinking, or passing waste!

Bears sleep in dens that they make themselves, as well as in hollow trees, caves and dens built by other bears. A den can be built in 3–7 days, however, the timing of den building varies from bear to bear. While some bears build their dens months before hibernation season, others choose to excavate their dens.

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So really, animals that are true hibernators don’t actually sleep through the entire winter.

The urea produced by their fat metabolism is broken down and the nitrogen is re-used by the bear to rebuild protein.
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Answer:

Answers 1, 2, and 4

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3 is incorrect because every organism is made of cells, not just unicellular organisms. these organisms do, however, have one cell that carries out all functions for the organism.

5 is incorrect because plants are multicellular organisms and thus have more than one cell.

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