Sperm are the only human cells to have cilia mitochondria flagella lysosomes

What is the importantence of the carbon and nitretan cycles in the environment

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a

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.