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An environment that provides the things a specific organism needs to live, grow, and reproduce is called a
habitat
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Limiting factors include:
food and water, climate and weather, space and shelter.
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In an ecosystem, organisms play the energy role of either
a producer, consumer, or decomposer
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What is biotic factors?
parts of a habitat that are or were once alive and that interact with an organism
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Producers have the most available energy so they make up the ________________ of the pyramid.
first level or base
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What is a decomposer?
ecomposers break down biotic wastes and dead organisms, returning the raw materials, such as carbon and nitrogen, to the ecosystem
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What is a food chain?
A food chain is a series of events in which one organism eats another and obtains energy and nutrients
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Energy enters most ecosystems as
sunlight
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baam
Lose 25 points!
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shark
Other team loses 25 points!
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fairy
Take points!
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baam
Lose 15 points!
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Only about _________ percent of the energy at one level of a food web is available to the next higher level.
10
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What is a community?
All the different populations that live together in an area make up a community
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seesaw
Swap points!
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magnet
Take 25 points!
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shark
Other team loses 10 points!
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banana
Go to last place!
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seesaw
Swap points!
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fairy
Take points!
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25
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fairy
Take points!
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25
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lifesaver
Give 25 points!
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What can cause a population's size to increase?
more births than deaths; more immigration than emigration.
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What are the three kinds of consumers?
carnivores, herbivores, omnivores
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What is a species?
A species is a group of organisms that can mate with each other and produce offspring that can also mate and reproduce.
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