Land preservation (Hardcover, Library binding)

NATIONAL STANDARDS: National Science Standards, Grades K-4- Life Science: III. Content Standard C- Organisms can survive only in environments in which their needs can be met; the world has many different environments.- Humans depend on their natural and constructed environments; humans change environments in ways that can be either beneficial or detrimental- An organism's patterns of behavior are related to the nature of that organism's environment; when the environment changes, some plants and animals survive while others die.