What is homeostasis?
Homeostasis Review

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•
Biology
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Homeostasis is the process by which living organisms maintain a stable internal environment despite changes in external conditions.
2.
FLASHCARD QUESTION
Front
What does selectively permeable membrane mean?
Back
A selectively permeable membrane allows certain substances to pass through while blocking others.
3.
FLASHCARD QUESTION
Front
Define isotonic solution.
Back
An isotonic solution has the same concentration of solutes as another solution, resulting in no net movement of water across the membrane.
4.
FLASHCARD QUESTION
Front
What is a hypertonic solution?
Back
A hypertonic solution has a higher concentration of solutes compared to another solution, causing water to move out of the cell.
5.
FLASHCARD QUESTION
Front
What is a hypotonic solution?
Back
A hypotonic solution has a lower concentration of solutes compared to another solution, causing water to move into the cell.
6.
FLASHCARD QUESTION
Front
Explain osmosis.
Back
Osmosis is the diffusion of water across a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.
7.
FLASHCARD QUESTION
Front
What happens to a cell in a hypertonic solution?
Back
In a hypertonic solution, a cell will lose water and may shrivel due to the higher concentration of solutes outside the cell.
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