NAME _____________________________________________
PERIOD ____________
Comparing & Contrasting Photosynthesis & Cellular Respiration
Directions. Complete the graphic organizer to compare and contrast the processes of photosynthesis and cellular respiration. Use
your text book and class notes to guide you.
Fill in the appropriate information for each row.
Type of cell(s) it occurs in? (Plant,
animal and/or bacterial?)
Photosynthesis
Cellular Respiration
Plant
Plants and animals
Chloroplasts
Mitochondrion
The main purpose of photosynthesis
is to convert radiant energy from the
sun into chemical energy that can be
used for food. Cellular respiration is
the process that occurs in the
mitochondria of organisms (animals
and plants) to break down sugar in
the presence of oxygen to release
energy in the form of ATP.
The general purpose of cellular
respiration is to exchange carbon
dioxide and oxygen inside the cells of
the body. The products are energy for
metabolic processes, carbon dioxide
and water. Cellular respiration has
been categorized into two, namely
aerobic and anaerobic respiration.
sunlight, carbon dioxide, and water
Oxygen and glucose
GA3P and water
Water and carbon dioxide
yes
no
no
Yes
Which organelle does it occur in?
Purpose of the process? (Why
does it occur in the cell?)
Reactants involved?
Products produced?
Removes carbon dioxide from the
atmosphere (yes or no?)
Adds carbon dioxide to the
atmosphere (yes or no?)
NAME _____________________________________________
1.
PERIOD ____________
Some people claim talking to plants can make them grow better. Given what you know about photosynthesis and
respiration, why might a person talking/breathing very close to plant have an impact on its growth? We breathe air and air
comes out of our lungs so it will help the plant grow
2. If plants produce oxygen as a result of photosynthesis, why aren’t oxygen levels continually increasing in the atmosphere?
Organisms that go through aerobic cellular respiration take oxygen back out of the atmosphere