WorksheetsCarbon and Oxygen Cycle
Total questions: 10
Worksheet time: 6mins
How does carbon get from animals and back into the atmosphere? (CHOOSE ALL THAT APPLY)
Respiration (breathing)
After they die, they are broken down by decomposers
Photosynthesis
None of these
What do 'plants' do with the carbon they receive?
They turn it into water
They don't need carbon
They turn it into food by photosynthesis
They keep it forever
Which process removes carbon dioxide from the atmosphere?
deforestation
tree farms
burning fossil fuels
cellular respiration
Which of the following is correct?
There is as much carbon on earth as when it was formed
Carbon is being created whenever it is recycled
Carbon is lost every time it is recycled
Carbon changes to different forms and is never recovered
Respiration is the process by which animals take in _____ and release _____ to make energy.
What is the process of plants taking in carbon dioxide and releasing oxygen called?
Respiration
Produce
Photosynthesis
Breathing
What do 'plants' do with the carbon they receive?
They turn it into water
They don't need carbon
They turn it into food by photosynthesis
They keep it forever
