Page 5 - Arrow Publications Pvt. Ltd.
P. 5
INSIDE THE BOOK
Let’s Recall Key Words
Animals change their body structure, food habits and teeth tongue taste
behaviour to survive in their environment. This is called buds sweet salty
adaptation. sour bitter jaw gums
Based on their adaptations animals are classified as incisors canines premolars
terrestrial, aquatic, amphibians, arboreal and aerial. molars crown neck
Animals may be shy or friendly.
Animals that come out only at night are called nocturnal root enamel dentine
animals. cementum pulp cavity microbes
Animals that are found during the day are called bacteria virus protozoa
diurnals.
Most of the animals live and move in groups.
Think &
Some insects live in groups called colonies and divide Answer Are the chest and tongue
the work among them. internal or external organs?
Some animals enjoy moving around alone.
Animals provide food, medicine and raw materials to Did You All the taste buds are not located
us. Know? on the tongue. Some of the taste
It is our responsibility to protect animals for a better buds are found inside the cheek
future. and some on the roof of the
mouth.
’
Let
s Ex
cise
er
Let’s Exercise Find It Name any three things you enjoy by using the sense of sight.
Out
I. Who am I ? Tick () the correct answer.
H TS Critical Thinking
A B C D E Why do farmers add manure and
fertilizers to their farms?
1. This flower faces towards the sun.
i. A ii. B iii. C iv. D
2. This flower blooms during the night. Know More
i. A ii. E iii. D iv. C
The liver is unique among organs in its ability
3. Rose water is made from the petals of this flower. to heal itself after harm. Even when up to 90%
i. B ii. D iii. C iv. A of the liver is removed, it can regenerate to its
4. We eat this flower. usual size. You can give a portion of your healthy
liver to someone in need. Both your part and the
i. A ii. D iii. C iv. B
transplanted part will grow back to normal size in
5. This is a seasonal flower. a few weeks.
i. E ii. C iii. A iv. D
