Which feature is created by deposition from rivers? O rills

O meanders

O alluvial fans

O gullies

Match each organ or function with its body system. produces urine large intestine ureters mouth filters blood absorbs nutrients from food

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.

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above