Sixty-five million years ago, more than three-fourths of all plant and animal species living on Earth becameextinct<span>. This event is known as the </span>K-T<span> mass </span>extinctionbecause it occurred at the boundary between theCretaceous<span> (K) and Tertiary (T) time periods. The most famous group of animals to perish was the dinosaurs.
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Answer:
The company used it to improve the immunity of bacterial cultures against viruses and many food manufacturers now use the technology to produce cheese and yoghurt. Since then the technology has been used to delete, insert and modify DNA in human cells and other animal cells grown in petri dishes.
Explanation:
Yes, he is a philosopher and scientist. Born 384 BC died 322 BC.
