How can reproductive isolation lead to speciation<span>? If populations cannot mate successfully with one another, genetic differences may accumulate in the populations. Over time they become very different and give rise to new species.</span>
Answer:
silicon and carbon have tge same number of valence electrons !
It helps decompose dead waste such as animals and mice and birds and plants, it makes the earth cleaner.
<span>Benedicts test is used for testing reducing sugar in urine and food samples. Biuret test is used for testing proteins in a sample. Sudar Red test is used to detect lipids in a sample. For starch The Lugol test is carried out. when Lugols iodine is added to sample to the powder it will turn deep bluish black color showing the sample contain starch. The other tests will not give positive results with starch powder.</span>
