Question 6
Which of the following is NOT true about matter in the biosphere?
a
Water and nutrients pass between organisms and the environment.
b
The total amount of matter decreases over time.
c
Matter is recycled in the biosphere.
d
Biogeochemical cycles transform and reuse molecules.
Question 7
Directions: The diagram below models part of the phosphorus cycle. Use the diagram to answer any questions that follow.
How is phosphorus transferred between animals and soil at N?
a
When animals move, it is released into the soil.
b
Decomposers break it down from wastes and dead animals.
c
When heavy winds blow, it is eroded off of living things.
d
Consumers exhale it as a gas that is fixed by bacteria in the soil.
Question 8
what is the process by which plants release water vapor into the air through leaves?
a
Runoff
b
Sublimation
c
Condensation
d
Transpiration
Question 9
Process #2 in the picture add carbon dioxide into the atmosphere by means of
a
photosynthesis
b
decomposition
c
respiration
d
transpiration
Question 10
In ecosystems what happens to the atoms of certain chemical elements such as phosphorus, carbon, oxygen and nitrogen?
a
They only move back and forth between living organisms
b
Move between living and non-living systems
c
Only found in abiotic factors
d
Created by living systems and do not return
Question 6: The answer is b. The total amount of matter decreases over time.
Question 7: The answer is b. Decomposers break it down from wastes and dead animals.
Question 8: The answer is d. Transpiration.
Question 9: The answer is c. respiration.
Question 10: The answer is b. Move between living and non-living systems.