What is an abiotic factor in an ecosystem?
MHS Biology Ecology Test Review

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Biology
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9th - 10th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
An abiotic factor is a non-living component of an ecosystem, such as water, sunlight, soil, and temperature.
2.
FLASHCARD QUESTION
Front
What biome is characterized by permafrost?
Back
The tundra biome is characterized by permafrost, which is permanently frozen ground.
3.
FLASHCARD QUESTION
Front
How much energy is available to secondary consumers if producers contain 10,000 kcal of energy?
Back
If producers contain 10,000 kcal of energy, only 100 kcal is available to secondary consumers.
4.
FLASHCARD QUESTION
Front
Why is the nitrogen cycle important?
Back
The nitrogen cycle is important because it is essential for the growth of organisms, as nitrogen is a key component of amino acids and nucleic acids.
5.
FLASHCARD QUESTION
Front
What happens to energy as you move up the trophic levels of the ecological pyramid?
Back
As you move up the trophic levels of the ecological pyramid, the amount of energy decreases.
6.
FLASHCARD QUESTION
Front
Define the term 'trophic level'.
Back
A trophic level is a position in a food chain or ecological pyramid, representing the flow of energy and nutrients from one level to the next.
7.
FLASHCARD QUESTION
Front
What is the primary source of energy for most ecosystems?
Back
The primary source of energy for most ecosystems is sunlight, which is captured by producers through photosynthesis.
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