Answer:
A. The appearance of complex, multicellular animals
Explanation:
Precambrian period is the earliest period in the history of the earth. It was characterized by different evolutionary characteristics and differences.
The end of this period was marked with The appearance of complex, multicellular animals which were able to perform complex tasks
My Answer: <span>demographic transition
Hope I helped! :D</span>
The regional terminology refers to the external as well as the internal parts of the body.
Regional terminology covers two regions of the human body. These are the axial region and the appendicular region. The axial region is the upper portion of the body that includes the head, neck, chest and the trunk. The appendicular region of the body includes the shoulders, hands and the legs.
The internal parts of the body are the internal organs that are present enclosed within the body and are not visible. These can be cells, tissues or organs like heart, lungs, stomach, blood, blood cells, etc.
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With the sequence of the gene-coding regions of the human genome in hand and the development of newer sequencing methods, scientists are able to
1. develop new forensic tests that can help in the identification of the convict.
2. diagnose genetic diseases before their onset.
3. develop customised medicines based on the genetic profile of the patient.
4. therapeutically target the cancer causing genes (oncogenes) in the patients.
5. understand the inheritance of genes especially the rare mutations in a population.