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l <br /> I "Food Chains" interpretive sign, V r.ont Raptor Center <br /> 1 It is important to understand food chains because when one link <br /> breaks, the whole chain is affected. Predators at the top of the food <br /> chain run a special risk. If herbicides are sprayed on a field, the mice may <br /> I die or become sick. If that happens, the hawk or owl may starve or be <br /> poisoned. Conversely, if raptors diminish in numbers, there could be a <br /> I drastic population explosion of prey speces, such as mice. Successful <br /> food chains depend on a balance of nature in a healthy environment. <br /> I _ <br /> Food chains also represent pyramids pf <br /> of numbers. It takes thousands of ,: �. €, ,;: <br /> plants to support a healthy popula- ' " m ik <br /> tion of mice or other plant- eaters, N ��' ` -':�s{ <br /> able to nourish „Av.... ' '; ', <br /> which in turn are `�`�t <br /> only a few predators, such as hawks. f '' • <br /> I Vii, 47' *- ; _:',-y' :,i'€f"j`` <br /> ` 41i'I , <br /> I 14/ ::„2., - .).)1&,- .!(,..:: <br /> A ,.. \ phi %,... <br /> 1 ,I,..1 <br /> , ..._ ...„.. 1 , #-, _._frL. --- 41 ,.w :: 41c ,, ‘,, ,:. <br /> Iti - I/94, <br /> • � ► ' v hf Q fe 1 i ,_ <br /> 1 I \ ”" , � e4r, A <br /> v <br /> 0 \ \_ / r� m I \`� \ � . E Ni .01 ' fldrt / _ it � WE <br /> S � <br /> 7\ �� - <br /> 1 <br /> 1 59 <br />