<h3>{Differences in Physical Characteristics}</h3>
Vertebrates have a skeletal structure with a spinal column or backbone.Invertebrates have no backbone, while vertebrates have a well-developed internal skeleton of cartilage and bone and a highly developed brain that is enclosed by a skull.
Explanation:
<h3>{Invertebrates}</h3>
•Invertebrates do not possess a backbone not an internal skeleton.
•Invertebrates have an exoskeleton.
•Body size varies but most are generally smaller than vertebrates. However, some invertebrates grow to gigantic proportions – such as the colossal squid (46 feet in length).
<h3>{Vertebrates}</h3>
•Vertebrates possess a backbone and an internal skeleton.
•Vertebrates do not possess an exoskeleton.
•Generally, vertebrates are comparatively larger than invertebrates
Answer:
The correct option is <u><em>A. they evolved from land mammals.</em></u>
Explanation:
The process of evolution explains how closely one organism is to another based on their common ancestors. Scientists believe that those organisms which show many similarities in their structures or functions might have evolved from a common ancestor in the past.
As in the above-mentioned question, scientists have observed that cetaceans lack gills and breath air, this is a property of land mammals. The cetaceans have fin bones which are similar to the limb bones. As limb bones are present in land mammals, hence they cetaceans and land mammals might have common ancestors in the past.
1 and 5, Solvent, and yh I am not sure but I think so
At shift change, the departing ed nurse smells alcohol on the arriving nurse's breath immediately report this finding to the nursing supervisor. Nursing supervisors serve as a vital link between hospital administration and clinical care, supervising patient-care operations, assigning and monitoring staff nurses, and identifying and implementing quality improvement initiatives.
Typically, the nurse supervisors have little contact with patients. Employee supervision – During a work shift, charge nurses supervise the nurses in a department. The supervisory function of nurse managers is larger, involving a greater range of administrative responsibilities for nurses as well as the support workers who provide care.
To learn more about nurse, click here.
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Answer:
single-stranded RNA genome I think idrk
