Male crickets create sounds that we call "chirps" by rubbing one wing against the other. if another male presents himself to the singing male, the two males will fight. first they interlock antenna, then they spread their jaws, and finally they wrestle. is/are examples of communication the initial song; because it is an intraspecific signal interlocking antenna and spreading jaws, but not wrestling; because communication is no longer needed when the two crickets are physically in contact the initial song and the response of the second male cricket arriving in the area; between the two crickets.

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.

question: which statement best describes the different properties of metals?

answer: they are shiny and bend without breaking.

since metals have certain characteristics properties, they include the following: they are ductile, malleable, shiny, hard, lustrous, flexible and they are good conductor of heat and electricity. so therefore, metals are not dull and they are not non-flexible as listed. instead, they are shiny and flexible.

hope this , have a good day. c;

not always but somethings can be reproduced in a laboratory.