<p><strong>1) What Is Fertilisation? Where Does It Take Place?</strong></p>
<ul>
<li>The process of fusion of male and female gametes is called fertilization.</li>
<li>The site of fertilisation varies in different animals.</li>
<li>In mammals, it takes place inside the body of the female.</li>
<li>In fishes, it takes place in water, i.e., outside the body of a female.</li>
</ul>
<p><strong>2) Mention the Gestation Period of the Following Animals&mdash; Elephant, Dog, Giraffe, Monkey, Kangaroo, Cat, Rhinoceros.</strong></p>
<div class="th-table">
<table>
<tbody>
<tr>
<th>S.no.</th>
<th>Animal</th>
<th>Gestation Period</th>
</tr>
<tr>
<td>i.</td>
<td>Elephant</td>
<td>22 months</td>
</tr>
<tr>
<td>ii.</td>
<td>Dog</td>
<td>2.5 to 3 months</td>
</tr>
<tr>
<td>iii.</td>
<td>Giraffe</td>
<td>15 months</td>
</tr>
<tr>
<td>iv.</td>
<td>Monkey</td>
<td>Around 5 months</td>
</tr>
<tr>
<td>v.</td>
<td>Kangaroo</td>
<td>28 days</td>
</tr>
<tr>
<td>vi.</td>
<td>Cat</td>
<td>2 months</td>
</tr>
<tr>
<td>vii.</td>
<td>Rhinoceros</td>
<td>16-18 months</td>
</tr>
</tbody>
</table>
</div>
<p><strong>3) What Protects the Growing Baby From External Physical Shocks in Mammals?</strong></p>
<ul>
<li>The growing baby is enclosed within an amniotic bag filled with amniotic fluid.</li>
<li>This amniotic fluid protects the growing baby from external physical shocks.</li>
</ul>
<p>&nbsp;</p>

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S.no.	Animal	Gestation Period
i.	Elephant	22 months
ii.	Dog	2.5 to 3 months
iii.	Giraffe	15 months
iv.	Monkey	Around 5 months
v.	Kangaroo	28 days
vi.	Cat	2 months
vii.	Rhinoceros	16-18 months