Benchmark 5D
The Living Environment: Interdependence of Life
Grades 3-5, page 116

Changes in an organism's habitat are sometimes beneficial to it and sometimes harmful.

NSES Content Standard C 
Life Science: Organisms and their environments
Grades K-4, page 129
An organism's patterns of behavior are related to the nature of that organism's environment, including the kinds and numbers of other organisms present, the availability of food and resources, and the physical characteristics of the environment. When the environment changes, some plants and animals survive and reproduce, and others die or move to new locations.

NSES Content Standard F 
Science in Personal and Social Perspectives: Changes in environments
Grades K-4, page 140
Changes in environments can be natural or influenced by humans. Some changes are good, some are bad, and some are neither good nor bad. Pollution is a change in the environment that can influence the health, survival, or activities of organisms, including humans.