Develop a model to describe the cycling of matter and the flow of energy among biotic and abiotic components of an ecosystem. (Clarification statement: Emphasis is on tracing movement of matter and flow of energy, not the biochemical mechanisms of photosynthesis and cellular respiration.)
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Q 1/12
Score 0
Which portion of the pond water would best represent an abiotic factor?
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euglena
protozoa
bacteria
mineral from soil
Q 2/12
Score 0
True or False: Dead leaves were once living so therefore they are biotic.
60
True
False
12 questions
Q.
Which portion of the pond water would best represent an abiotic factor?
1
60 sec
S7L4b
Q.
True or False: Dead leaves were once living so therefore they are biotic.
2
60 sec
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Q.
The dead leaves from a maple tree would be classified as
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Q.
What abiotic factor is most dominant in the picture?
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60 sec
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Q.
Which biotic factor from the diagram below would a bird depend on for shelter and food?
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60 sec
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Q.
Which abiotic factors would aide in the grass growth of a burnt forest after a natural disaster?
6
60 sec
S7L4b
Q.
In a particular ecosystem, a white-tailed deer feeds on branches from a red oak tree. Gypsy moth caterpillars also feed on the leaves of the oak tree. Acorns from the tree fall to the soil. Those acorns that take root grow into new oak trees over time. Which of the following is an abiotic component of this ecosystem?
7
60 sec
S7L4b
Q.
What is the most dominant biotic factor represented that would provide food and shelter for the organisms?
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Q.
Which of the following statements represents an abiotic change?
9
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Q.
An abiotic component of an ecosystem is represented by the
10
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Q.
What is the difference between the biotic and abiotic factors?
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Q.
Lizards and cacti are biotic factors in a desert ecosystem that would rely on which abiotic factors?
