NSES Content Standard C 
Life Science: Organisms and their environments  
Grades K-4, page 129  

All organisms cause changes in the environment where they live. Some of these changes are detrimental to the organism or other organisms, whereas others are beneficial. 
 
 
Benchmark 4C The Physical Setting: Processes that Shape the Earth
Grades K-2, page 72
Animals and plants sometimes cause changes in their surroundings.