predict the effects of changes in ecosystems caused by living organisms, including humans, such as the overpopulation of grazers or the building of highways; and
Teach about Arbor Day or Earth Day with an infographic poster about the importance of trees in our environment.
A poster of the world map featuring 64 species and subspecies that are on the critically endangered list.
A set of 64 fact cards featuring species and subspecies that are on the critically endangered list.
A poster with information about the plant life, climate, and annual rainfall that characterize a rainforest environment.
A poster with information about the plant life, climate, and annual rainfall that characterize a desert environment.
A poster with information about the plant life, climate, and annual rainfall that characterize a wetland environment.