chapter 1

outline the natural greenhouse effect that maintains the earths ambient temperature

-ultraviolet radiation poses through the earths atmosphere and is absorbed by the earths surface

-some energy is re-emitted back into the atmosphere as infrared radiation

-greenhouse gases absorb some of this infrared radiation and prevent it from leaving the atmosphere

State the biotic components of an ecosystem

producers, consumers, and decomposers

State the abiotic components of an ecosystem

temperature, humidity, water, oxygen, salinity, light, pH

independent variable

a factor that a research manipulates or controls in an experiment to see how it affects a dependent variable

dependent variable

measure effect of the outcome

interception

interrupting the movement of water in the chain leading in to streams

infiltration

water on the ground surface enters the soil.

through flow