
Biogeochemical Cycles and Energy Flow
Flashcard
•
Biology
•
9th Grade
•
Practice Problem
•
Easy
Cheryl Harris
Used 1+ times
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22 questions
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1.
FLASHCARD QUESTION
Front
Major role of detritivores in ecosystems:
Back
Recycle chemical nutrients for autotrophs.
2.
FLASHCARD QUESTION
Front
Most vulnerable trophic level to extinction?
Back
Tertiary consumer level
3.
FLASHCARD QUESTION
Front
Energy transfer in food chain: grass → grasshopper → mouse → snake → hawk. Energy available to hawk from grass?
Back
0.01%
4.
FLASHCARD QUESTION
Front
Reservoir for carbon in the carbon cycle?
Back
All of the above
5.
FLASHCARD QUESTION
Front
Phosphorus enters ecosystems through:
Back
rock weathering
6.
FLASHCARD QUESTION
Front
Figure 42.2 shows a terrestrial food web. Combined biomass of C + D is:
Back
less than the biomass of A + B
7.
FLASHCARD QUESTION
Front
Energy flow in aquatic food chain:
Back
plankton → sand eel → striped bass → cod
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