Matter and Energy in Ecosystems
Flashcard
•
Biology
•
9th - 12th Grade
•
Practice Problem
•
Easy
Claire Venard
Used 2+ times
FREE Resource
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44 questions
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1.
FLASHCARD QUESTION
Front
Bob grows vegetables in the same soil year after year. The plants produce fewer vegetables each year. Which of these processes could help explain Bob's observation?
Back
the rate at which soil bacteria perform nitrogen fixation
2.
FLASHCARD QUESTION
Front
What are the organisms called that obtain energy from inorganic sources like the sun or other chemicals to form energy-rich compounds?
Back
Producers
3.
FLASHCARD QUESTION
Front
Where do most producers get their source of energy from?
Back
sun
4.
FLASHCARD QUESTION
Front
Model of food relationships in an ecosystem: Which statement is true?
Back
There is a food web and several overlapping food chains
5.
FLASHCARD QUESTION
Front
What type of ecological models are the carbon cycle, nitrogen cycle, and water cycle?
Back
biogeochemical cycles
6.
FLASHCARD QUESTION
Front
What converts nitrates back into nitrogen gas in the atmosphere?
Back
denitrification
7.
FLASHCARD QUESTION
Front
Which statement describes all primary producers?
Back
Most harness energy from sunlight through the process of photosynthesis.
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