hey...i have a question.
A tree carries out photosynthesis and provides organic compounds for other organisms in a
forest. It takes carbon dioxide from and returns oxygen to the atmosphere. It takes water from the
soil into its roots and its leaves lose water to the atmosphere. Many other organisms live in the
tree.
Which term applies to the description of the tree?
A
ecosystem
B
habitat
C
niche
D
trophic level
this question came twice in the exam in oct nov 2009 and oct nov 2012 but in both cases answer was different.can anyone explain this to me?
A tree carries out photosynthesis and provides organic compounds for other organisms in a
forest. It takes carbon dioxide from and returns oxygen to the atmosphere. It takes water from the
soil into its roots and its leaves lose water to the atmosphere. Many other organisms live in the
tree.
Which term applies to the description of the tree?
A
ecosystem
B
habitat
C
niche
D
trophic level
this question came twice in the exam in oct nov 2009 and oct nov 2012 but in both cases answer was different.can anyone explain this to me?