What is the primary source of energy in most ecosystems?
Science Common Assessment #1 Review

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Science
•
6th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
The sun.
2.
FLASHCARD QUESTION
Front
What human activities can help save biodiversity in ecosystems?
Back
Setting up wildlife refuges and protected parks.
3.
FLASHCARD QUESTION
Front
What is an example of a population depending on an abiotic factor?
Back
Coral reef organisms carry out photosynthesis using sunlight that passes through clear water.
4.
FLASHCARD QUESTION
Front
Why do organisms in overpopulated areas struggle to survive?
Back
Due to reduction in available food and shelter.
5.
FLASHCARD QUESTION
Front
What role do omnivores play in an energy pyramid?
Back
They are consumers.
6.
FLASHCARD QUESTION
Front
Define 'ecosystem'.
Back
A community of living organisms and their interactions with their environment.
7.
FLASHCARD QUESTION
Front
What is biodiversity?
Back
The variety of life in a particular habitat or ecosystem.
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