Unit 1 Final Review
Flashcard
•
Biology
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a heterotroph?
Back
An organism that cannot produce its own food and instead obtains energy by consuming other organisms.
2.
FLASHCARD QUESTION
Front
What evidence supports the classification of clams as heterotrophs?
Back
Clams gain energy and nutrients by filtering particles from the water.
3.
FLASHCARD QUESTION
Front
What is the birthrate in Vernon's study of deer population?
Back
~50 deer/year.
4.
FLASHCARD QUESTION
Front
What is the death rate in Vernon's study of deer population?
Back
~70 deer/year.
5.
FLASHCARD QUESTION
Front
What additional observation indicates a stable deer population?
Back
About 20 deer per year immigrate to the tract of forest.
6.
FLASHCARD QUESTION
Front
What is a food chain?
Back
A linear sequence of organisms through which nutrients and energy pass as one organism eats another.
7.
FLASHCARD QUESTION
Front
What is a primary producer?
Back
An organism that produces its own food through photosynthesis or chemosynthesis, forming the base of the food chain.
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