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 C
Life Science: Regulation and behavior
Grades 5-8, page 157
An organism's behavior evolves through adaptation to its environment.
How a species moves, obtains food, reproduces, and responds to danger are
based in the species' evolutionary history.
NSES Content Standard C
Life Science: Diversity and adaptations of organisms
Grades 5-8, page 158
Biological evolution accounts for the diversity of species developed
through gradual processes over many generations. Species acquire many of
their unique characteristics through biological adaptation, which involves
the selection of naturally occurring variations in populations. Biological
adaptations include changes in structures, behaviors, or physiology that
enhance survival and reproductive success in a particular environment.
NSES Content Standard C
Life Science: Diversity and adaptations of organisms
Grades 5-8, page 158
Extinction of a species occurs when the environment changes and the
adaptive characteristics of a species are insufficient to allow survival.
Fossils indicate that many organisms that lived long ago are extinct. Extinction
of species is common; most of the species that have lived on the earth
no longer exist.
NSES Content Standard F
Science in Personal and Social Perspectives: Natural resources
Grades 9-12, page 198
Humans use many natural systems as resources. Natural systems have
the capacity to reuse waste, but that capacity is limited. Natural systems
can change to an extent that exceeds the limits of organisms to adapt naturally
or humans to adapt technologically.
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