[Solved] These organs belong to two organ systems. A) bladder and ureters B) nerves and spinal cord C) ovaries and testes D) larynx and trachea Environmental Cue: A signal from the environment that triggers a response in an organism, often influencing its behavior or physiological changes. Naked Mole Rat: A small rodent from the Horn of Africa, known for its eusocial behavior, where individuals live in large colonies with a single breeding queen. Circadian Rhythm: A natural, internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours. Adaptive Significance: Refers to the beneficial features of traits that have evolved through natural selection to solve specific problems in an organism's environment.