Explanation:
SARS, Ebola, swine flu, rabies
Answer:
According to a recent National Institutes of Health (NIH) estimate, 90% of cells in the human body are bacterial, fungal or other non-humans. Many scientists concluded that bacteria enjoy a commensal relationship with their human hosts. Microbes not only live outside the human but live equivalently inside the human body that keeps him healthy.
Scientists called human skin a “virtual zoo of bacteria”. Some scientists compared the diversity in the human gut to a rain forest. The human gut alone contains on average 40,000 bacterial species.
According to the Human Microbiome Project in 2007, dozens of research teams have gathered data that redefine what it means to be human. Some commentators have gone so far as to refer to the human body as a superorganism whose “whose metabolism represents a combination of microbial and human attributes.
A fossil is the bone of a long dead animal that has been in the ground Harding for thousands to millions of years.
The feature of endocrine system that makes it distinctly different from the nervous system is that it uses hormones distributed through the bloodstream, option(A).
<h3>Why is endocrine system distinctly different from nervous system?</h3>
- The biggest difference between these two is that the endocrine system uses hormones produced by glands into the bloodstream, whereas the nervous system uses electrical impulses to send signals through neurons.
- The signal transmission of the nervous system is fast because neurons are interconnected, but the functions are short-lived when compared to endocrine system.
Therefore, option(A) is the correct answer.
To know about differences between the two systems, refer:
brainly.com/question/26146622
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Answer
La corteza terrestre temprana apareció hace aproximadamente 4.500 millones de años, después de las últimas etapas de acreción planetaria.
