Pit fall traps have a lid on top to stop birds eating the insects, true, false, Why do pitfall traps have holes in the bottom, to let small insects escape, to let out rain water, Pitfall traps are checked regularly to stop insects eating each other., true, false, Quadrats are used to count, plants, insects, pitfall traps are used to count, plants, insects, To count insects in a tree you would use, quadrats, tree beating, pitfall traps, sweep nets, To count insects on the ground you would use, quadrats, tree beating, pitfall traps, sweep nets, To count insects in a pond you would use, quadrats, tree beating, pitfall traps, sweep nets

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