instruction:
In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
question:
All of the yews are very closely related to each other , and some botanists treat them all as subspecies or varieties of just one widespread species ; under this treatment , the species name used is " Taxus baccata " , the first yew described scientifically .
answer:
All of the yews are very closely related to each other , and often described together as " Taxus baccata " .


question:
The Emir has the exclusive power to appoint and remove the prime minister and cabinet ministers who , together , constitute the Council of Ministers , which is the supreme executive authority in the country .
answer:
The Emir is the only one who can appoint and remove the prime minister and cabinet ministers .


question:
The earliest clear statement of how chromosomes may spread in a population not because of their positive fitness effects on the individual organism , but because of their own " parasitic " nature came from the Swedish botanist and cytogeneticist Gunnar O ̈ stergren in 1945 .
answer:

The Swedish botanist and cytogeneticist Gunnar O ̈ stergren in 1945 noted how chromosomes may spread in a population because of their own ” parasitic ” nature .