All ecosystems must have a flow of energy to thrive. What are the three basic categories of these organisms?
a) algae, bacteria, mangroves
b) producers, consumers, decomposers
c) bacteria, virus, algae
d) zooplankton, phytoplankton, fish
e) omnivores, carnivores, herbivores
Question 2
What causes the greenhouse effect?
a) Atmospheric gases, such as carbon dioxide, absorb sunlight, causing the atmosphere to heat up.
b) The oceans absorb solar energy and trap heat, making the Earth warmer.
c) Greenhouse gases lead to polar ice cap melting, making the Earth warmer.
d) Sunlight is absorbed by the Earth's surface, reradiated as infrared energy, and absorbed by atmospheric gases.
e) Greenhouse gases absorb ozone, leaving the Earth unprotected from ultraviolet radiation.
Energy-flow diagram for a Georgia salt marsh.
Worldwide Use of Nuclear Energy
Routine Urinalysis Categories
Energy Transfer Processes: Free Convection
Renewable Energy Efforts
Climate models the flow of mass and energy