Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Q: Microscopes were first developed in the early 1600s by eyeglass makers.

A: Microscopes were first developed in the early 1600s by this trade?
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Q: Ecological pyramids can demonstrate the decrease in energy, biomass or numbers within an ecosystem.

A: What can demonstrate the decrease in energy, biomass or numbers within an ecosystem?
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Q: Immune cells type of cells in the body fluids and tissues of most animals specifically interact with and destroy pathogens.

A:
What type of cells in the body fluids and tissues of most animals specifically interact with and destroy pathogens?
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