Populations and Ecosystems Unit Post Test

Flashcard
•
Science
•
6th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is biomass?
Back
Biomass is the total mass of living matter in a given area or volume, often used to measure the amount of energy available in an ecosystem.
2.
FLASHCARD QUESTION
Front
How does biomass transfer between trophic levels?
Back
A small fraction of the biomass at a trophic level becomes biomass at the next higher level.
3.
FLASHCARD QUESTION
Front
What is a biotic factor?
Back
A biotic factor is a living component of an ecosystem, such as plants, animals, and microorganisms.
4.
FLASHCARD QUESTION
Front
What is an abiotic factor?
Back
An abiotic factor is a non-living component of an ecosystem, such as sunlight, water, and minerals.
5.
FLASHCARD QUESTION
Front
What role do producers play in an ecosystem?
Back
Producers convert sunlight into usable energy through photosynthesis, creating biomass for other organisms.
6.
FLASHCARD QUESTION
Front
What is the chemical equation for photosynthesis?
Back
6CO2 + 6H2O + light energy → sugar + 6O2.
7.
FLASHCARD QUESTION
Front
How does energy enter an ecosystem?
Back
Energy enters an ecosystem primarily through sunlight.
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