What is an external stimulus?
Tennessee 7th Grade Science 1st quarter review

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Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
An external stimulus is a change in the environment that can be detected by an organism, such as a loud noise.
2.
FLASHCARD QUESTION
Front
What is an internal stimulus?
Back
An internal stimulus is a change that occurs within an organism, such as feeling hungry.
3.
FLASHCARD QUESTION
Front
What is an inherited trait?
Back
An inherited trait is a characteristic that is passed from parents to offspring through genes, such as height.
4.
FLASHCARD QUESTION
Front
What are adaptations?
Back
Adaptations are traits or behaviors that help an organism survive in its environment, such as camouflage, ability to survive cold weather, or hunting skills.
5.
FLASHCARD QUESTION
Front
Which organelle is found only in plant cells?
Back
Chloroplast is the organelle found only in plant cells, responsible for photosynthesis.
6.
FLASHCARD QUESTION
Front
What is the function of chloroplasts?
Back
Chloroplasts are responsible for converting sunlight into energy through photosynthesis.
7.
FLASHCARD QUESTION
Front
What is the difference between internal and external stimuli?
Back
Internal stimuli originate from within the organism (e.g., hunger), while external stimuli come from the environment (e.g., noise).
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