imals to survive long.
is animals to save the
Comp
Read the fe
rue hibernators' go
Comprehension
Read the following passage carefully and answer the questions that foll.
Hibernation is one of the main adaptations that allow many animals to
winters. Hibernation is like a very long and deep sleep that allows anim
energy when there is little or no food available. The body functions of true
through several changes while they are in hibernation.
Their body temperature drops and the heart rate slows down. For example
woodechuck's body temperature drops by more than 30°C and its heart rate
to 4 beats per minute. Isn't it really strange! Other true hibernators include
mouse, little brown bat, eastern chipmunk and several ground squirrels O
such as the skunk and racoon, are not considered true hibernators, as they
winter to feed and their body functions do not change as much. They onlys
bitat a time, the term dormancy or 'light sleeping is used to describe their behavio
en behaviour.
The largest animals to hibernate are bears. Their heart rate may slow down from
50 beats per minute to 8-12 beats per minute, but their body temperature changes
so they are able to wake up quickly. Hibernating animals have a special substa
blood called hibernation inducement trigger or HIT. This substance becomes a
autumn season, when the days become cooler and shorter. When HIT become
animals start preparing for winter.
mple; a hibernating
rt rate slows from 80
clude the jumping
quirrels. Other animals,
they wake up in the
The fr
allare
Ther
that
The
alle
The
tha
much. They only sleep for a little
Th
down from a usual 40-
erature changes very little,
e a special substance in the
substance becomes active in the
When HIT becomes active, the
A.
O
Some animals store food so that they can eat when they wake up and some animalseataka
in late summer and autumn to add excess fat to their bodies. This fat keeps them warmer
and acts as a source of energy while they are sleeping. Some animals also make changes to
the places where they will sleep. They add leaves and grasses to keep themselves warm.
A. Answer the following questions.
1. Why do animals hibernate?
2. Name two true hibernators.
3. Why do animals eat a lot before hibernating? ........
4. When does HIT become active?
B. Write 'T' for True and 'F'for False statements.
1. The body temperature of hibernators drops and the heart rate slows down.
2. The largest animals to hibernate are elephants.
B.
3. HIT is hibernation intelligence trigger.
4. Some animals eatleaves and grasses to keep themselves warm.
C. Find the words from the passage which means same as the following words/ phrase
energetic
stimulus
alter .............
Teacher's Signature : .......
English-5 1261
power
ses.
Answers
Answer:
Hi is the answer for question
Read the passages given below and answer the questions that follow them. Hibernation is one of the main adaptations.........grasses to keep themselves warm
Explanation:
1. Why do animals hibernate?
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.
2. Name two true hibernators
Jumping mouse, little brown bat,
3. Why do animals eat a lot before hibernating?
Some animals store food so that they can eat when they wake up and some animals eat a lot in late summer and fall to add excess fat to their bodies.This fat keeps them warmer and acts as a source of energy while they are sleeping
4. When does HIT become active?
Hibernating animals have a special substance in the blood called hibernation inducement trigger, or HIT. This substance becomes active in the fall when the days become cooler and shorter.
B. Write 'T' for True and 'F'for False statements.
1. The body temperature of hibernators drops and the heart rate slows down. (T)
2. The largest animals to hibernate are elephants. (F)
3. HIT is hibernation intelligence trigger. (F)
4. Some animals eat leaves and grasses to keep themselves warm. (F)
C. Find the words from the passage which means same as the following words/ phrase
energetic - active
stimulus - trigger
alter - change