A louse species (an external parasite) infests salmon. Researchers have found that lice have difficulty finding a mate when there are only a few lice on an individual fish. The lice find mates much more easily and produce more offspring when there are many lice on an individual fish. This is an example of .

Which flexible structure that supports the nerve cord and led to the backbone

And give a detailed description! scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. does this result support the theory of plate tectonics? why or why not?

An 88 year-old widow with uterine prolapse and multiple comorbid conditions has been unsuccessful in the use of a pessary for treatment elects to receive colpocleisis (lefort type) to prevent further prolapse and avoid more significant surgery like hysterectomy. the treatment is successful. what are the cpt® and icd-10-cm codes reported for this procedure?