During DNA Replication, the DNA molecule unzips itself so that there are two free strands of DNA. Both of those strands then create new complementary strands of DNA. Thus every subsequent generation of DNA uses one of the parent cell's strand of DNA as a template, which is why DNA replication is said to be semi-conservative. Hope this helped!
I think the answer is C. They are trying to emotionally avoid the exam by distracting themselves
Hope this helps :)
The answers are; A & B
Intuitively as it sounds, cyclic change is the change that recurs over a particular period of time. Seasons recur every year in specific regions on earth. In addition, receeding and expanding of ice caps also occur based on seasons. These two are examples of cyclic changes.
From largest to smallest, the seven classification are: 1.Kingdom
2.Phylum
3.Class
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4.Order
5.Family
6.Genus
7.Species
So species is the smallest