
Energy in Ecosystems Remediation
Flashcard
•
Biology
•
9th - 10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a keystone species?
Back
A species on which other species in an ecosystem largely depend; if it were removed, the ecosystem would change drastically.
2.
FLASHCARD QUESTION
Front
What happens to populations when a predator species decreases?
Back
Populations of prey species may increase as a result.
3.
FLASHCARD QUESTION
Front
What is the original source of almost all energy in most ecosystems?
Back
Sunlight.
4.
FLASHCARD QUESTION
Front
What do overlapping food chains in an ecosystem form?
Back
A Food Web.
5.
FLASHCARD QUESTION
Front
What is a community in ecological terms?
Back
A collection of organisms that belong to different populations but live in the same area and interact with one another.
6.
FLASHCARD QUESTION
Front
Define an ecosystem.
Back
A biological community of interacting organisms and their physical environment.
7.
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.
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