What is a keystone species?
EOC Review #3 (Ecology)

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•
Biology
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A species that plays a critical role in the health, maintenance, growth, or definition of an ecosystem.
2.
FLASHCARD QUESTION
Front
What is the greenhouse effect?
Back
The warming of a planet due to trapped radiation.
3.
FLASHCARD QUESTION
Front
If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?
Back
100 Kcal
4.
FLASHCARD QUESTION
Front
What percentage does the energy decrease as it goes up the pyramid?
Back
10%.
5.
FLASHCARD QUESTION
Front
What happens to the amount of available energy in the pyramid as it moves up through the different levels?
Back
It decreases.
6.
FLASHCARD QUESTION
Front
Define an invasive species.
Back
A non-native species that spreads widely in a new habitat and causes harm to the environment, economy, or human health.
7.
FLASHCARD QUESTION
Front
What is an energy pyramid?
Back
A graphical representation showing the flow of energy at different trophic levels in an ecosystem.
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