All of these are necessary, but what you need the most I would say is
D. Movement
Without movement, your body can stiff up, causing muscle problems which can lead to many various things.
A. Ancestors of whales may once have been able to walk.
Answer:
<h2>b. Two genetically identical daughter cells.</h2>
Explanation:
Bacterial reproduction:
Mainly,bacteria reproduce by binary fission. In this process the bacterium, which is a single cell, divides into two genetically identical daughter cells. Binary fission begins when the DNA of the bacterium first replicate and becomes double ,then the rest cell organelles also duplicate in the bacterium cell, finally the bacteria divides into two genetically identical daughter cells. Both cell are similar in size, shape and genetic composition.
Answer: D. His conclusion is flawed because he did not test the students to see if their bodies contained metal arsenic.
Explanation:
According to the given situation, student has tested seven different areas around the school to determine the presence of arsenic in the soil and also found the presence of arsenic in the school system. But has not studied the presence of arsenic in the students to support the fact that the school students are also affected by arsenic. So, conclusions based on the presence of arsenic in the soil and the system is inconclusive for the present study.
