Spring's Journey North Report Your Sightings Teacher's Manual Search Journey North |
CHALLENGE QUESTION #12Ann Min (amin@mc.net)Fri, 24 Apr 1998 11:22:56 +0000
1. Plants are sprayed with the chemicals. 2. The robins either eat the berries off the plants (skip to step 4), or else bugs eat the plants. 3. The robins eat the bugs. 4. The robins get sick from eating the berries/bugs. -- Ann Min amin@mc.net
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