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Assessment
What is the primary role of birds in an ecosystem?
Pollination and seed dispersal
Producing oxygen
Water filtration
Soil formation
How do birds contribute to controlling insect populations?
By eating insects
By laying eggs in insect nests
By singing to scare insects away
By pollinating insect plants
What is one negative impact of declining bird populations on ecosystems?
Increased insect infestations
Higher levels of oxygen in the atmosphere
Improved plant growth
Less noise pollution
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