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Standard - MST4: Students will understand and apply scientific concepts, principles, and theories pertaining to the physical setting and living environment and recognize the historical development of ideas in science.
Key Idea Code - MST4.LE:
Key Idea - MST4.LE7: Human decisions and activities have had a profound impact on the physical and living environment.
Academic Level - MST4.I.LE7:
Performance Indicator - MST4.I.LE7A: Students describe how living things, including humans, depend upon the living and nonliving environment for their survival.
Major Understandings - 7.1a : A population consists of all individuals of a species that are found together at a given place and time. Populations living in one place form a community. The community and the physical factors with which it interacts compose an ecosystem.
Major Understandings - 7.1b : Given adequate resources and no disease or predators, populations (including humans) increase. Lack of resources, habitat destruction, and other factors such as predation and climate limit the growth of certain populations in the ecosystem.
Major Understandings - 7.1c : In all environments, organisms interact with one another in many ways. Relationships among organisms may be competitive, harmful, or beneficial. Some species have adapted to be dependent upon each other with the result that neither could survive without the other.
Major Understandings - 7.1d : Some microorganisms are essential to the survival of other living things.
Major Understandings - 7.1e : The environment may contain dangerous levels of substances (pollutants) that are harmful to organisms. Therefore, the good health of environments and individuals requires the monitoring of soil, air, and water, and taking steps to keep them safe.