Gills in fish and lungs in birds are comparable organs because they both help the organism in which of the following ways? Group of answer choices

Get the nutrients they need from food

Exchange gases with the atmosphere

Care for their offspring when they are born

Provide places for muscles to attach

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.