Question

Section A
1. Read the passages given below and answer the questions that follow
them: (8 marks)
Hibernation is one of the main adaptations that allow certain northern animals to
survive long cold winters. Hibernation is like a very deep sleep that allows animals to
save their energy when there is little or no food available. The body functions of true
hibernators go through several changes while they are in hibernation
Body temperature drops and the heart rate slows down. For example, a hibernating
woodchuck's body temperature drops by more than 30 degrees Celsius and its heart
rate slows down from 80 to 4 beats per minutel Other true hibernators indude the
jumping mouse, little brown bat, eastern chipmunk, and several ground squirrels.
Other animals such as the skunk and racoon are not considered true hibernators, as
they wake up in winter to feed and their body functions do not change as much.
since they only for a little bit at a time the term dormancy or light sleeping is used to describe their behaviour. the largest animal to hibernate are bears . their heart rate may slow down from usual 40 50 beats per minute to 8 -12 beats per minutes but their body temperature changed very little so they are able to wake up quickly hibernating animal have a special substance in the blood called hibernation. fillups. ( 1) _ is a special substance in the blood hibernating animal. 2) what is the term dormancy used for? 3) during hibernation the heartbeat of the bears goes down but body temperature does not change much ( true/ false )
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Answer 1

Answer:

Its so long , please upload a pic

Answer 2

Answer:

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