Answer:
true
Explanation:
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Answer:
The coronavirus did not manifest from nowhere. Our sadistic treatment and manipulation of animals for centuries has come back to haunt us. It is time for humanity to absorb the lessons of the animal world.
From the Orient the world has inherited a civilization upending event, this coronavirus feeding on the human strain. It is perhaps not a coincidence that it has manifested at the very time the UN is trying to form a Convention on Biological Diversity to protect what remains of the organic world. The contagion is the karmic result of our own ignorance and disregard of other species that began in China and that has visited us before. As Erin Sorrell, microbiologist at Georgetown, exclaims, 70 percent of zoonotic diseases come from wildlife.
Explanation:
Answer:
Cells with similar structures and a common purpose that are organized form a tissue (option D).
Explanation:
Biological tissues are structures originated by the grouping of differentiated cells, which are organized and distributed in such a way that they can fulfill a function in a coordinated way. A characteristic of tissues is that all the cells that constitute them have the same embryonic origin.
An example of a tissue is nervous tissue, formed by neurons, specialized cells that when united form it and fulfill the same function.
The functions of cells are mainly multiplication, development and differentiation, in addition to their ability to group together to form tissues.
The other options are not correct because:
<em>A. </em><u><em>Organs</em></u><em> are formed from differentiated tissue.</em>
<em> B and C. </em><em><u>Digestion and circulation</u></em><em> are functions that depend on the organs of the digestive and circulatory systems, respectively.</em>
Answer:
Uracil is a nitrogenous base found in all RNA but not present in DNA.
Explanation:
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