TEKS-Based Engagement Activities for Grade 4
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4 Education
Service Center
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81: Population Decline
TEKS 4.9B
Observe the food web and the population graph.
What could be the reason for the declining animal populations? Explain your
thinking.
squirrel
tick
deer mouse
tree
Sun
caterpillar
Fall
Winter
Spring
Time
Number of Organisms
in the Community
