eusocial	<p>the phenomenon of reproductive specialisation found in some animals, where a large group of sterile colony members carry out specialized tasks and care for the few reproductive members.</p>

<p>The most familiar examples are insects such as ants, bees, and wasps.</p>

<p>Its defining features are:</p>
	<p style="text-indent:3em;" >1.	reproductive division of labor</p>
	<p style="text-indent:3em;" >2.	overlap of generations</p>
	<p style="text-indent:3em;" >3.	cooperative care of young</p>
	<p style="text-indent:3em;" >4.	sterile castes (not always present)</p>