4) Energy flows in ______________ through ecosystems. Arrives as radiation from the sun, powers the system, and exits in the form of heat.

8) ________________: no moral principles can be made to apply to all cultures. If you believe in this principle, then you think different people can have different views about what’s moral and immoral.

28) ___________ arise from multiple inputs over large areas, such as farms, city streets, and residential neighborhoods.

7) _______________ is the largest reservoir in the carbon cycle.

2) ________________: use the energy they gain from plant biomass for their own metabolism, growth, and reproduction.

22) __________ are substances that cause genetic mutations in the DNA of organisms.

5) Weathering. Absorption by Plants. Absorption by Animals. Return to the Environment through Decomposition. These are the steps for: ___________________.

3) _________________: It’s a land area that channels rainfall and snowmelt to creeks, streams, and Rivers and eventually to outflow points such as reservoirs, bays, and the ocean.

36) ________________: he is acknowledged by some as the father of wildlife conservation in this country. His book, A Sand County Almanac, is one of the most influential in environmental ethics.

12) ___________ assume that human ingenuity can overcome environmental limitation, allowing indefinite growth.