ES Menu project Ecosystems
Flashcard
•
Science
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an isolated system?
Back
A system where no energy or matter changes.
2.
FLASHCARD QUESTION
Front
What is a closed system?
Back
A system where energy can move in and out, but matter cannot.
3.
FLASHCARD QUESTION
Front
What is an open system?
Back
A system where both energy and matter can move in and out.
4.
FLASHCARD QUESTION
Front
What is a dynamic system?
Back
A system characterized by constant change and interaction.
5.
FLASHCARD QUESTION
Front
What is the initial source of energy for photosynthesis?
Back
The Sun.
6.
FLASHCARD QUESTION
Front
What is a factor that makes it difficult for species to survive due to environmental changes?
Back
Quickly changing environments.
7.
FLASHCARD QUESTION
Front
What is an example of a closed system?
Back
An aquarium.
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