Study

Carbon Cycle

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  • What is the process that plants use to capture carbondioxide?
    Respiration
    Decomposition
    Photosynthesis
    Eating
  • This is a green pigment molecule that absorbs energy from sunlight...
    Photosynthesis
    Cellular Respiration
    Chlorophyll
    Glucose
  • Carbon is released into the atmosphere when fossil fuels are burned.
    False
    True
  • Oceans play a major role in the carbon cycle by absorbing carbon dioxide.
    False
    True
  • How much carbon is in the human body?
    30%
    25%
    20%
    8%
  • Which human activity DOES NOT help remove carbon dioxide from the carbon cycle?
    Eating fast food
    Burning less fossil fuels
    Restoring habitats
    Planting Trees
  • Each time you exhale (breathe) you are releasing carbon dioxide into the air.
    True
    False
  • What is the process where decomposers release carbon dioxide?
    Respiration
    Eating
    Decomposition
    Photosynthesis
  • Carbon dioxide is also released from rock through weathering and erosion.
    True
    False
  • Humans can only impact the carbon cycle in a negative way.
    True
    False
  • These breakdown the remains of dead organisms...
    Fossil Fuels
    Decomposers
    Greenhouse Gases
    Factory Emissions
  • What is the process called when a substance combines with oxygen to release light and heat?
    Decaying
    Respiration
    Combustion
    Photosynthesis
  • Ocean water does a lot to remove excess carbon from the atmosphere.
    True
    False
  • Pick one way that carbon is released into the air.
    Respiration
    Photosynthesis
    The Ocean
  • The process through which green plants use the energy of sunlight to make food is called...
    Fossil Fuels
    The Carbon Cycle
    Combustion
    Photosynthesis
  • Humans are the only living organisms that release carbon dioxide into the atmosphere.
    False
    True
  • Burning fossil fuels like coal, gas, and oil releases little carbon into the air.
    False
    True
  • The rainforest does not help remove carbon from the atmosphere.
    True
    False
  • ________ break down the carbon compounds when organisms die and release carbon as CO.
    Producers
    Respiration
    Decomposers
    Consumers
  • Millions of yrs ago, remains of plants became buried in sediment under swamps and became coal.
    True
    False
  • Photosynthesis is a process that animals do
    False
    True
  • What is the process where animals release carbon dioxide?
    Eating
    Decomposition
    Photosynthesis
    Respiration
  • What does consumed mean?
    Eaten
  • What things need nutrients to survive?
    Living things
  • More carbon is made every day
    True
    False
  • Plants, algae, and some bacteria are known as...
    Glucose
    Producers
    Chlorophyll
    Chloroplasts
  • How is carbon involved in photosynthesis?
    Carbon in fossil fuels is released through burning.
    Plants use carbon from carbon dioxide to make glucose.
    Animals break down the glucose to release carbon in CO2.
    Organisms release carbon from bodies of dead animals.
  • When plants/animals die, the carbon in their body is either released or stored as fossil fuels.
    True
    False
  • Respiration traps carbon into compounds and photosynthesis releases it.
    True
    False
  • Plants, animals, and most other living things combine oxygen with glucose during...
    Aerobic Respiration
    Producers
    Decomposers
    Photosynthesis