What percentage of energy is passed from producers to primary consumers?
Fall Semester Biology Midterm

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•
Biology
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Approximately 9% of energy is passed from producers to primary consumers.
2.
FLASHCARD QUESTION
Front
Why are decomposers important to an ecosystem?
Back
Decomposers recycle nutrients back into the ecosystem, making them available for producers.
3.
FLASHCARD QUESTION
Front
What are abiotic factors?
Back
Abiotic factors are non-living components of an ecosystem, such as water, soil, and oxygen.
4.
FLASHCARD QUESTION
Front
What is the threat of invasive species to biodiversity?
Back
Invasive species threaten biodiversity because they have no natural predators and can deplete resources.
5.
FLASHCARD QUESTION
Front
What type of organism is found at level 1 of a food chain?
Back
Grass is an example of a level 1 organism, which is a producer.
6.
FLASHCARD QUESTION
Front
Define producers in an ecosystem.
Back
Producers are organisms that can make their own food through photosynthesis, such as plants.
7.
FLASHCARD QUESTION
Front
What role do primary consumers play in a food chain?
Back
Primary consumers are herbivores that eat producers and are the second level in a food chain.
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