D. Certain genes are turned on and others are turned off; this action produces adult cells that are specialized
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The first person to discover and accurately describe microbes was the amateur microscopist Antony van Leeuwenhoek (1632 - 1723) of Delft, Holland. He earned his living as a draper and haberdasher but spent much of his spare time constructing simple microscopes composed of double convex glass lenses held between two silver plates. </span>His microscopes could magnify 50 to 300 times and he may have illuminated his liquid specimens by placing them between two pieces of glass and shining light on them at a 45 degree angle to the specimen plane.
From<span> 1673, He sent detailed letters describing his discoveries to the Royal Society of London and it is clear from his descriptions that he saw both protozoa and bacteria.</span>
Answer:
Arroyo integrated the term “watershed“ by saying that Oxfam and Swiss Re with the Rockefeller foundation are helping farmers building hillside terraces to conserve water and they are also providing for insurance when the droughts do come.Water shed relates to drought and heat because it will suffer and there would be less water to fill surface water resources and less water to make its way through the earth and into groundwater reservoirs.
Explanation:
Answer: Adaptation
Explanation:
The adaptation is the process by which a species becomes fitted to its environment which is a direct result of natural selection.
The traits that best suits the organism in an extreme conditions and helps in better survival is known as adaptation.
The variation in the species can be favored or rejected based on the condition. If the variation helps in survival of the organism in a better way then it is favored and if it is does not favors its survival then it is not carried further.
The best suited character is adapted and carried forward.
