Sentences with phrase «small aquatic insects»
At a school in the Ozarks, a tenth - grade biology class used the electron microscope to examine small aquatic insects as indicators of water quality.
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The radars recorded medium - sized insects (hoverflies, ladybird beetles, and water boatmen) and large ones (hawk moths, painted lady butterflies, and aquatic beetles) flying between 150 meters and 1200 meters high; balloon sampling flights helped provide estimated counts for smaller insects.
[1] They feed mainly on aquatic invertebrates such as crustaceans and insect larvae, and will also eat small fish.