Sudhir bought an almirah for Rupees 13600 and spend 400 on its transportation he is called it for 16800 find his gain percent
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Answer:
TEETH IN HERBIVORES, CARNIVORES AND OMNIVORES
Dentition: The amazement of teeth in the jais called dentition
Loter
2 molars
Tacth in herberes scrabbit camores (tike do and mores like human bonnet
to the diset the animals wake.
As mentioned earlier, there are four different kinds of teeth
ni) canines for tearing)
(1) incisors for cutting)
(iv) molars (for grinding)
si) premolars
DENTITION IN HERBIVORES (EXAMPLE RABBIT)
They have incisors which are sharp and used
for cutting Canines are absent and a gep
occurs between the incisors and premolars
This gap is called diastema. The premolars
and molars are used for chewing.
The premolars and molars are almost similar
in shape and size, as they have the same
function The gap between the incisors and the
premolars (diasteina) allows the tongue to
manipulate the food
Figure 6: Dentition in a rabbit
DENTITION IN CARNIVORES(EXAMPLE DOG)
In carnivores the teeth in
different regions of the
mouth are specialised 10
perform a particular
function. They have all
four kinds of teeth. The
incisors in the front of the
mouth grip the food and 3 incisors
strip off small pieces of
flesh. The canines are
long sharp and pointed
*4 premolars
and adapted for flesh
Figure 7: Dentition in a dog
eating The molars have
somewhat flat surface for
grinding and crushing the
bones.
Dentition in omnivores (example human beings)
In omnivores, all the four kinds of teeth are well-adapted to cope up with a wide range of fooe
vegetables and variety of meat. The teeth are not as specialised as in carnivores and herbivora.
The four kinds of teeth in human beings have been already described.
3 incisors
3 molars
cemasse
G
Ra
5. STRUCTURE OF A TOOTH
You have learnt that teeth, present in the mouth cavity, play
an important role in biting and chewing the food. In an adult
human being there are four types of teeth - - incisors,
canines, premolars and molars.
Fixed to the gums, each tooth has following three parts
(Figure.8):
(i) Root, the part embedded in the jaw,
(ii) Crown, the top part projecting above the gums, and
(iii) Neck, the part between the root and the crown.
Figure.8: A tooth in secti
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