Answer: B. Earth's present-day species evolved from older, identical species.
The evolution is the change or modification in the characteristics of a species over genration due to the process of adaptation and natural selection. The statement "Earth's present day species evolved from older, identical species is true about evolution". As, proposed by Darwin evolution is "descent with modification", which means that in a process of evolution species change and give rise to new species over generation. He proposed that newly evolved life forms can be traced back to their common ancestor.
C, because of natural selection
Differences Between Bacteria and Viruses. There are a number of differences between bacteria and viruses. Viruses, for example, are as much as 10 to 100 times smaller than bacteria. ... While the RNA and DNA of viruses are enclosed in the protein coat, in bacteria, the genetic material floats in the cytoplasm.
There's a bunch of examples.
For example, hairlines. A widow's peak is a dominant trait over a straigh hairline.
Or dominant hand type. Right hands are dominated over left hands.
Or hair types. Curly hair dominates straight hair.
If you google it, you'll get a lot more examples.