Answer:
The null hypothesis is incorrect.
Explanation:
The null hypothesis is incorrect because the average number of bacteria did not remain the same at the source and at the outlet. We know that bacteria reproduce in a very less time and they use reproduction methods such as binary and multiple fission so with the passage of time, the population of bacteria increases and did not remain the same at the source and at the outlet.
Answer: Rinsing with alcohol during the washing step stripped the bacteria off the glass slide.
Explanation:
The step that is being wrong in the whole experiment is that the student is washing the bacteria on the slide with alcohol.
Alcohol might have washed off all the bacteria as it is corrosive in nature. The bacteria that is going to be observed in the experiment is being killed when it is washed off.
This was the wrong step opted by the student if he finds any alternative solution to this then the bacteria can be observed in the microscope.
The Cheshire cat caused the Queen of hearts to fall over
Answer:
E. Using biology.
Explanation:
We know that Mendel discovered the basic principles of heredity. And genetics is a branch of biology meaning he used biology to predict his outcome.
