Food Webs
Flashcard
•
Science
•
6th - 8th Grade
•
Hard
Wayground Content
FREE Resource
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15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is a food web?
Back
A food web is a complex network of interconnected food chains in an ecosystem, showing how energy and nutrients flow between different organisms.
2.
FLASHCARD QUESTION
Front
What is photosynthesis?
Back
Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of carbon dioxide and water.
3.
FLASHCARD QUESTION
Front
What are the three key factors required for photosynthesis?
Back
The three key factors required for photosynthesis are sunlight, carbon dioxide, and water.
4.
FLASHCARD QUESTION
Front
What happens to energy as it moves up an energy pyramid?
Back
As energy moves up an energy pyramid, it decreases due to energy loss at each trophic level.
5.
FLASHCARD QUESTION
Front
What is a keystone species?
Back
A keystone species is an organism that plays a critical role in maintaining the structure of an ecosystem, influencing the types and numbers of other species.
6.
FLASHCARD QUESTION
Front
What is the difference between a food chain and a food web?
Back
A food chain is a linear sequence of organisms through which nutrients and energy pass, while a food web is a more complex network of multiple food chains.
7.
FLASHCARD QUESTION
Front
Why do food webs change over time?
Back
Food webs change over time due to factors like environmental changes, species extinction, and the introduction of new species.
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