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18 questions
Organisms that can capture energy from inorganic, nonliving sources (for example: the sun)
Producers
Consumers
Detritivores
Carnivores
the conflict between the short-term interests of individuals and the long-term welfare of society
law of supply and demand
law of economics
Tragedy of the Commons
scientific law
Which of the following is an abiotic factor in an ecosystem?
water
bacteria
plants
vertebrates
The energy in most ecosystems comes from _______________.
Wind
Carbohydrates
Photosynthesis
The sun
An atmospheric gas that increases when fossil fuels are burned off.
nitorgen
carbon dioxide
oxygen
carbon
a product of photosynthesis
water
carbon dioxide
oxygen
sugar
Where would you most likely find nitrogen-fixing bacteria?
in blue-green algae
on dust particles in the atmosphere
in the roots of legumes
in leaves of trees
Which describes the relationship between plants and animals in the carbon cycle?
Plants produce and release oxygen that animals need
Plants produce and release carbon dioxide that animals need
Animals produce and release oxygen that plants need
Animals produce oxygen that plants turn into carbon dioxide
What are the main two components necessary for all life?
Water and food
Energy and Matter
Food and Shelter
Phone and Internet
Which of the following is an example of kinetic energy?
an apple
a can of gasoline
a flying bird
a piece of coal
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