Adult stem cells are rare. Their primary functions are to maintain the steady state functioning of a cell—called homeostasis—and, with limitations, to replace cells that die because of injury or disease
I think the correct answer from the choices listed above is option A. Directional selection can be distinguished from disruptive selection by the elimination of extreme variations of traits. Directional selection is a natural selection where an extreme phenotype is favored than others.
what is the list of things? food handlers usually have to wear hairnets, gloves and wash their hands often to prevent cross contamination and the spread of bacteria.
This disease is classified as a latent disease.
<h3>Classification of diseases</h3>
Latent disease is a classification of disease whereby the infectious agent remains inert in the body of its host between episodes of recurrent diseases.
Examples of viral pathogens that causes latent diseases include:
- <em>Herpes simplex, </em>
- <em>Varicella zoster, </em>
- <em>Human cytomegalovirus, </em>
- Adenovirus, and Kaposi's sarcoma.
The infection caused by the listed viral pathogens exhibit a latent disease phase whereby there is no noticeable symptoms of infection.
Learn more about latent disease here:
brainly.com/question/26971909
Alternative energy sources are those that do not deplete natural resources and do not harm the environment.
Options A, B, and C are all fossil fuels, which we know can be depleted and harm the environment.
The only valid option here is D, Geothermal energy.
Geothermal energy is both renewable and environmentally friendly.