ENVIRONMENTAL SCIENCE 101 EXAM 2 QUESTIONS
WITH VERIFIED ANSWERS
Major components of life support system - Answers - Atmosphere
Hydrosphere
Geosphete
Biosphere
Trosphere - Answers - Innermost layer (11 mile up from the equator)
Contains the air we breathe
Stratosphere - Answers - Contains the ozone layer (11-31 miles)
Filters suns uv radiation about 95%
Hydrosphere - Answers - All the water at and near the surface of the earth, 97% of
which is in oceans
Geosphere - Answers - the solid part of the earth consisting of the crust and outer
mantle
Crust - Answers - Outermost layer containing nutrients organisms need to grow
Biosphere - Answers - part of Earth in which life exists including land, water, and air or
atmosphere
Three Factors Sustain the Earth's Life - Answers - one way flow of high quality energy,
cycling of nutrients, gravity
Five levels of matter - Answers - Biosphere
Ecosystem
Community
Population
Organism
Autotroph - Answers - An organism that makes its own food
Green plants trees algae aquatic plants
Photosynthesis - Answers - CO2+H2O+ sunlight= glucose +oxygen
Consumers (heterotrophs) - Answers - Cannot produce the nutrients they need
primary consumers (herbivores) - Answers - Eat plants
Caterpillars giraffe zooplankton
WITH VERIFIED ANSWERS
Major components of life support system - Answers - Atmosphere
Hydrosphere
Geosphete
Biosphere
Trosphere - Answers - Innermost layer (11 mile up from the equator)
Contains the air we breathe
Stratosphere - Answers - Contains the ozone layer (11-31 miles)
Filters suns uv radiation about 95%
Hydrosphere - Answers - All the water at and near the surface of the earth, 97% of
which is in oceans
Geosphere - Answers - the solid part of the earth consisting of the crust and outer
mantle
Crust - Answers - Outermost layer containing nutrients organisms need to grow
Biosphere - Answers - part of Earth in which life exists including land, water, and air or
atmosphere
Three Factors Sustain the Earth's Life - Answers - one way flow of high quality energy,
cycling of nutrients, gravity
Five levels of matter - Answers - Biosphere
Ecosystem
Community
Population
Organism
Autotroph - Answers - An organism that makes its own food
Green plants trees algae aquatic plants
Photosynthesis - Answers - CO2+H2O+ sunlight= glucose +oxygen
Consumers (heterotrophs) - Answers - Cannot produce the nutrients they need
primary consumers (herbivores) - Answers - Eat plants
Caterpillars giraffe zooplankton
