The diagram below represents the lower jaw of a mammal.

(a) Name the mode of nutrition of the mammal whose jaw is shown.
(b) State one structural and one functional difference between the teeth labeled J and L.
(c) (i) Name the toothless gap labeled K.
(ii) State the function of the gap.
d) Name the substance that is responsible for hardening of teeth.

Answer:

a)Herbivorous.

b)Structural:-Tooth J is narrow/sharp/chisel-like while tooth L is broad/ridged.

c) i)Diastema

ii)To allow manipulation of food by tongue, separating chewed and newly cut vegetation

d)Calcium phosphate

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