The white blood cell is called NEUTROPHIL. Neutrophils play important roles in the immune system; they move around the body via the blood stream and when they sense signals that foreign bodies are present, they move to the site of the infection and destroy them. They are among the first set of immune cells that defend the body against infection.
The first one is second succession. The second question I don't understand.
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Answer: Aristotle and Ptolemy had both assumed each planet is attached to a single sphere, but geometers and astronomers could employ a number of such spheres to generate the observed motions of the planets.
Explanation:
All organisms arose from a single common ancestor.
An endosymbiont or endobiont is any organism that lives inside the frame or cells of some other organism most often, though no longer continually, in a mutualistic relationship.
Bacterial endosymbionts result in dramatic phenotypes in their arthropod hosts, including cytoplasmic incompatibility, feminization, parthenogenesis, male killing, parasitoid protection, and pathogen blocking.
Endosymbionts, such as Wolbachia, Rickettsia, and Cardinium, are a type of bacteria generally located in arthropod species inclusive of bugs, spiders, crustaceans, and mites, in addition to other invertebrates along with filarial nematodesEndosymbiosis is a form of symbiosis in which the symbiont lives in the body of its host and the symbiont in an endosymbiosis is known as an endosymbiont.
Learn more about endosymbiotic here;-brainly.com/question/1698852
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Viruses are not considered living because they cannot survive without a host organism, and they do not exhibit the characteristics of life.
