What is a group of interbreeding organisms coexisting together?
100
Watershed
What is an ecosystem where all water runoff drains into a single body of water?
100
21%
What is the percentage of oxygen in the air we breathe?
100
Greenhouse effect
What is the process by which certain gases trap heat that would otherwise escape the earth and radiate into space?
100
Producer
What is a plant in terms of trophic levels?
200
Community
What is a group of populations living and interacting in the same area?
200
Transpiration
What is evaporation of water from the leaves of a plant?
200
Respiration, Oxidation, fires, or ozone formation
What is one of four ways oxygen is consumed?
200
Global warming
What is the idea that the air is getting so rich in carbon dioxide that the greenhouse effect is becoming enhanced and the earth is getting abnormally warm?
200
Tertiary consumer
What is a hawk terms of trophic levels?
300
Ecosystem
What is an association of living organisms and their physical environment?
300
Water
What is one thing all organisms need to live?
300
Respiration, Oxidation, fires, or ozone formation
What is another of four ways oxygen is consumed?
300
Satellites
What is one of the best ways we can measure the earth's temperature?
300
Primary consumer
What is a mouse in terms of trophic levels?
400
Biome
What is a group of ecosystems classified by climate and plant life?
400
Precipitation
What is the one way water comes into a watershed?
400
Ozone destruction, photosynthesis, or water vapor destruction
What is one of three ways oxygen is restored?
400
They only survey their area of the earth
What is the biggest problem when people talk about global warming?
400
Secondary consumer
What is a snake terms of trophic levels?
500
Biomass
What is a measure of the total dry mass of organisms within a particular region?
500
Transpiration, evaporation, or stream flow
What is one of three ways water leaves the watershed?
500
Ozone destruction, photosynthesis, or water vapor destruction
What is another of three ways oxygen is restored?
500
1979
What is the time since radiosonde balloons have been used to measure the earth's temperature?