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15
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Why do we use a food web instead of a food chain in ecosystems?
To understand all the feeding relationships
To simplify the ecosystem
To focus on a single organism
To show only one set of feeding relationships
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15
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Why are primary consumers essential in a food chain?
Because they eat only meat
Because they are producers
Because they are predators
Because they eat several types of plants
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15
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Where does all the energy in an ecosystem originate from?
The Sun
The Moon
Plants
Animals
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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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thief
Give points!
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What is the main purpose of a food chain in an ecosystem?
To analyze geographical features
To show where living things get their food
To predict the weather patterns
To determine the population size of organisms
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heart
Other team wins 15 points!
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star
Double points!
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shark
Other team loses 10 points!
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thief
Give points!
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25
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eraser
Reset score!
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star
Double points!
Okay!
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shark
Other team loses 20 points!
Okay!
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baam
Lose 20 points!
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15
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What is the role of primary consumers in an ecosystem?
To produce energy through photosynthesis
To produce energy through photosynthesis
To consume producers
To release minerals into the soil
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15
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What are toxins?
Harmful chemicals used in agriculture
Poisonous substances that can harm or kill living things
Beneficial substances for ecosystems
Nutrients essential for plant growth
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15
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What can be a consequence of natural disasters in an ecosystem?
Enhanced resources for surviving species
Destruction of habitats and loss of species
Increased biodiversity
No impact on species population
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monster
Reset all scores!
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rocket
Go to first place!
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fairy
Take points!
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25
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banana
Go to last place!
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15
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How does energy move through ecosystems?
It is produced by photosynthesis
It is created by secondary consumers
It is generated by decomposers
It is transferred through food chains and webs
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15
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Why is energy transfer not 100% efficient in ecosystems?
Energy is stored in the soil
Because of the presence of decomposers
Due to the lack of sunlight
Energy is lost as heat and used for growth and reproduction
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15
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How do changes in an ecosystem due to human activities impact wildlife?
They always benefit wildlife
They provide more habitats for wildlife
They have no impact on wildlife
They can lead to loss of habitats and food sources
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15
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Why is the woodpecker in the North American food web considered an omnivore?
Because it is a predator
Because it only eats animals
Because it only eats plants
Because it eats both plants and animals
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15
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Which of the following is true about the components of an ecosystem?
Living and nonliving things are completely separate
Living things have no impact on nonliving things
Changes to one component can affect others
Nonliving things are not essential for ecosystem balance
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