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OlgaM077 [116]
3 years ago
7

____evolution is the idea that two organisms that look similar did NOT share a

Biology
1 answer:
GREYUIT [131]3 years ago
7 0

Answer:parellel

Explanation:

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Please answer the following questions correctly​
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i.   Name each of the parts labelled I, II, III, IV and V.

                           {5 marks}

I - Crown / Enamel

II - Dentine

III - Cement / Periodontal membrane

IV - Jaw bone / Root

V - Pulp Cavity

ii   What is the function of each of the parts labelled I and III?

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I - Protects teeth from harmful bacteria

-- Enable teeth withstand pressure of chewing

-- Cutting / chewing / protects dentine / protect pulp cavity

III - hold tooth firmly (in socket / Jaw bone)

iii  Which of the labelled parts could be affected by tooth decay?

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V - Pulp cavity

iv  State three ways by which tooth decay may be prevented.

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→ avoid using sharp-pointed objects

→ avoid having dry mouth

→ use water containing fluorides to wash teeth / mouth

→ avoid smoking

→ the teeth should be cleaned regularly after each meal / remove food particle from the teeth / flossing

→ wash the mouth vigorously after each meal

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→ avoid eating too hot foods

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