Errors can occur when the chromosomes segregate into the gametes during meiosis resulting in egg or sperm with too many or too few chromosomes. As a result, fertilised eggs and the ensuing embryos may have trisomy (an extra chromosome of a particular pair) in each cell or monosomy (one chromosome fewer in each cell).
Answer:
idhar re baba
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according to sciencethreads.com
it states the following pros and advantages of fossil fuels..
<em><u>1)Fossil fuels have a very high calorific value. </u></em>
<em><u>2)the energy produced by fossil fuels is greater than that produced by an equivalent amount of other energy resource.</u></em>
<em><u>3)Systems are set up to process and utilize oil and gas
</u></em>
<em><u>4)Widely available around the globe
</u></em>
<em><u>5)low cost per unit energy
</u></em>
<em><u>6)Refineries, transportation, and plastics all rely heavily on oil and gas
</u></em>
<em><u>7)High energy output
</u></em>
<em><u>8)Employs millions of people globally
</u></em>
<em><u>9)The primary source of all plastics</u></em>
hope this helps :)
<span>Within a more biodiverse ecosystem, there is a higher chance that species will be able to adapt to change. For example, even with the eradication or migration of any one particular food group, consumers higher up in the food chain will remain able to survive due to alternative sources of energy.</span>
