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Which statements describe characteristics that are common to both gymnosperms and angiosperms? Check all that apply.

They have roots, stems, and leaves for nutrient transport.

They have flowers.

They are autotrophs.

They rely on diffusion for nutrient transport.

They are heterotrophs.

They have seeds.

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.