Bird vocalization is often a mating behavior; however, bird vocalization can be used to warn other birds if danger is nearby, or for other means of communication.
Traditional classification is based on superficial attributes of organisms while modern classification is all-encompassing.
<h3>Traditional versus modern classification</h3>
Classification refers to the science of grouping living organisms based on certain attributes.
Traditional classification groups organisms based on superficial attributes such as similarity in appearance, habitats, etc.
Modern classification takes cognizance of virtually all the attributes of organisms, including evolutionary relationships, biochemical similarity, etc.
More on classification can be found here: brainly.com/question/12283852
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<span>Pituitary tumors are a frequent cause of over secretion of human growth hormone. Often the tumor is benign, meaning it is not cancerous.</span>
