photosynthesis, the carbon cycle including fossil fuels and combustion,climate change and its impact Flashcards
(47 cards)
What is the primary process by which plants convert sunlight into energy?
Photosynthesis
In which organelle does photosynthesis occur?
Chloroplast
What are the two main stages of photosynthesis?
Light-dependent reactions and Calvin cycle
What is the primary pigment involved in photosynthesis?
Chlorophyll
True or False: Photosynthesis occurs only during the day.
True
What are the inputs of the photosynthesis equation?
Carbon dioxide, water, and sunlight
What is the output of photosynthesis?
Glucose and oxygen
Fill in the blank: The formula for photosynthesis is ___ + ___ + light energy → Glucose + ___.
6CO2, 6H2O, 6O2
What role do stomata play in photosynthesis?
They allow for gas exchange.
What is the carbon cycle?
The process by which carbon is exchanged among the atmosphere, oceans, soil, and living organisms.
Which process releases carbon dioxide back into the atmosphere?
Combustion
True or False: Fossil fuels are a renewable energy source.
False
What are fossil fuels primarily composed of?
Carbon
What is the primary source of energy for combustion?
Fossil fuels
Fill in the blank: The carbon cycle includes processes such as photosynthesis, respiration, and ___.
Combustion
What is a greenhouse gas?
Gases that trap heat in the atmosphere.
Which greenhouse gas is most associated with climate change?
Carbon dioxide (CO2)
True or False: Deforestation contributes to climate change.
True
What is the impact of increased carbon dioxide levels on global temperatures?
They lead to an increase in global temperatures.
What phenomenon is caused by the accumulation of greenhouse gases?
Global warming
Fill in the blank: The melting of polar ice caps is a consequence of ___ change.
climate
What are some effects of climate change on ecosystems?
Habitat loss, species extinction, and altered migration patterns.
What is climate resilience?
The ability of a system to absorb disturbances and still retain its basic function and structure.
What role do oceans play in the carbon cycle?
They absorb carbon dioxide from the atmosphere.