Environment: The Science Behind The Stories Chapters 3and4 Questions and Answers

Troposphere - -The innermost layer of the atmosphere that contains the air we breathe -Nitrogen - -Which gas primarily makes up the air we breathe (approximately 78%)? -The ozone layer - -Part of the atmosphere that filters out roughly 95% of the sun's harmful ultraviolet radiation -Earth would be too cold to support life - -Solar energy interacts with specific atmospheric gases to create the greenhouse effect. What would happen to the earth without this process? -Stratosphere - -Which atmospheric layer houses the ozone layer? -Ecology - -The science that focuses on how organisms interact with one another and their nonliving physical environment of matter and energy -Primary consumers - -What eats primary producers? -Decomposers - -Which consumers get their nutrients by breaking down the wastes or remains of plants and animals on a molecular level? -Microscopic Levels of Organization