Answer:
A.
Explanation:
Humans used to use the appendix for good bacterial health in the gut. People used to drink dirty water and eat food that had lots of bacteria. The appendix would save them from infection.
Answer: electric potential
Explanation:
The flow of electric charges is known as electricity. Electricity flows from higher potential to lower potential. The difference in voltage/potential causes charges to flow. Potential difference is the amount of work done per unit charge to move against electric force. It measured in Volts = Joules/ Coulomb.
The answer would be: <span>Binary fission involves a single parent cell, so there is only one set of genetic information that can be duplicated and passed on to the daughter cells.
If you see the picture, it is clear that there is only 1 parent involved in binary fission. This will exclude the first and third option.
The genetic duplicated before splitting, so the cells should have an equal number of parent genetic material, not halves. This will exclude the second option.
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The answer is C. <span> Accessibility to nutrients makes the mouth a favorable habitat.
Hope this helped. Good luck!</span>