Study

Carbon Cycle

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  • How is carbon involved in photosynthesis?
    Organisms release carbon from bodies of dead animals.
    Animals break down the glucose to release carbon in CO2.
    Plants use carbon from carbon dioxide to make glucose.
    Carbon in fossil fuels is released through burning.
  • This is a green pigment molecule that absorbs energy from sunlight...
    Cellular Respiration
    Photosynthesis
    Glucose
    Chlorophyll
  • Plants, animals, and most other living things combine oxygen with glucose during...
    Decomposers
    Producers
    Aerobic Respiration
    Photosynthesis
  • When plants/animals die, the carbon in their body is either released or stored as fossil fuels.
    True
    False
  • ________ break down the carbon compounds when organisms die and release carbon as CO2.
    Producers
    Decomposers
    Respiration
    Consumers
  • Burning fossil fuels like coal, gas, and oil releases little carbon into the air.
    True
    False
  • Each time you exhale (breathe) you are releasing carbon dioxide into the air.
    True
    False
  • What is the process called when a substance combines with oxygen to release light and heat?
    Photosynthesis
    Respiration
    Decaying
    Combustion
  • The process through which green plants use the energy of sunlight to make food is called...
    The Carbon Cycle
    Photosynthesis
    Fossil Fuels
    Combustion
  • Millions of yrs ago, remains of plants became buried in sediment under swamps and became coal.
    False
    True
  • Plants, algae, and some bacteria are known as...
    Producers
    Chlorophyll
    Chloroplasts
    Glucose
  • Which human activity DOES NOT help remove carbon dioxide from the carbon cycle?
    Restpring habitats
    Planting Trees
    Burning less fossil fuels
    Eating fast food
  • Carbon dioxide is also released from rock through weathering and erosion.
    False
    True
  • Respiration traps carbon into compounds and photosynthesis releases it.
    True
    False
  • Humans can only impact the carbon cycle in a negative way.
    True
    False
  • Pick one way that carbon is released into the air.
    The Ocean
    Respiration
    Photosynthesis
  • Oceans play a major role in the carbon cycle by absorbing carbon dioxide.
    True
    False
  • Ocean water does a lot to remove excess carbon from the atmosphere.
    False
    True
  • This is what carbon is recycled through and can take millions of years...
    Decomposers
    Slow Track
    Chlorophyll
    Fast Track
  • These breakdown the remains of dead organisms...
    Decomposers
    Fossil Fuels
    Factory Emissions
    Greenhouse Gases
  • The rainforest does not help remove carbon from the atmosphere.
    True
    False
  • How much carbon is in the human body?
    18%
    8%
    30%
    25%
  • Carbon is released into the atmosphere when fossil fuels are burned.
    True
    False