Explain that living organisms
have distinct structures and body systems that serve specific functions in
growth, survival, and reproduction (e.g., various body structures for walking,
flying, or swimming).
Support how 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 changing physical characteristics of the environment.
Analyze how all organisms
(including humans) cause changes in their environments, and these changes
can be beneficial or detrimental. (e.g., beaver ponds, earthworm burrows,
squirrels hiding nuts, grasshoppers eating all plants, caterpillars eating
too many leaves in a forest).