It is useful for an ecologist to identify the keystone species in an ecosystem because the keystone species is important to maintaining the stability of an ecosystem, and any changes in the keystone species population shows that there is changes in ecosystem health.
<span> D.all of the above
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Mitochondria and chloroplasts have striking similarities to bacteria cells. They have their own DNA, which is separate from the DNA found in the nucleus of the cell. And both organelles use their DNA to produce many proteins and enzymes required for their function. A double membrane surrounds both mitochondria and chloroplasts, further evidence that each was ingested by a primitive host. The two organelles also reproduce like bacteria, replicating their own DNA and directing their own division.
The initials for the title granted after successful completion of the American Society for Clinical Pathology phlebotomy examination are (PBT) phlebotomy technicians.
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Who are phlebotomy technicians (PBT)?</h3>
- Patients' blood is drawn by phlebotomy technicians, who then prepare the samples for analysis. The majority of them work in hospitals and clinics, although some also take blood donations. As crucial members of the healthcare team, phlebotomy technicians frequently have to reassure patients by explaining the blood-drawing process.
- Phlebotomy technicians must be knowledgeable about the various types of blood tests and should be aware of how drugs and dietary choices affect blood samples given the ever changing nature of medical technology.
- Blood samples need to be drawn and prepared for testing by phlebotomy technicians.
- Typical obligations and tasks include:
- Taking measurements of breathing, pulse, and blood pressure
- collecting blood
- applying bandages following blood extraction
- sending samples of your blood, urine, or feces to the lab for analysis
- Cleaning work spaces and sterilizing equipment
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