Observation: Students on a university campus notice that the freshly squeezed mango juice ferments faster than the freshly made lime juice even though they are made by the same vendor, using the same method of juice extraction, and kept at the same temperature. Write a simple hypothesis, null hypothesis and alternative hypothesis
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- formulate a scientific study with all the steps and a flow diagram for the study keeping in view the experiment designed below. For an experiment, a scientist put lime at the base of tomato plant A and baking soda at the base of tomato plant B. She then sealed the plants in plastic bags. Tomato plant A eventually died, and tomato plant B stayed healthy.How does the size of an endotherm change their metabolic rate? 1. Make a claim that answers this question. 2. Describe evidence that supports this claim. 3. Offer possible reasoning that explains the evidence and claim using biological ideas.Figure 1.6 In the example below, the scientific method is used to solve an everyday problem. Order the scientific method steps (numbered items) with the process of solving the everyday problem (lettered items). Based on the results of the experiment, is the hypothesis correct? If it is incorrect, propose some alternative hypotheses. Observation Question Hypothesis (answer) Prediction Experiment Result There is something wrong with the electrical outlet. If something is wrong with the outlet, my coffeemaker also won’t work when plugged into it. My toaster doesn’t toast my bread. I plug my coffee maker into the outlet. My coffeemaker works. Why doesn't my toaster work?
- A person notices that her houseplants that are regularly exposed to music seem to grow more quickly than those in rooms with no music. As a result, she determines that plants grow better when exposed to music. This example most closely resembles which type of reasoning? inductive reasoning deductive reasoning neither, because no hypothesis was made both inductive and deductive reasoningWrite a hypothesis that answers our scientific question: How does the solution change the volume of an egg cell? Be sure to be specific about the parts of the experiment. Include the variables in your response. How does the concentration of the syrup solution change the volume of an egg cell? Use this sentence starter for a guide: If the [independent variable] [increases/decreases] then the [dependent variable] will [increase, decrease, stay the same] because [insert what you think you understand about biology].Give an example of a hypothesis that you will test to answer the research lab? In this lab you will use the enzyme catalase that is found in potato cells, to break down hydrogen peroxide. You will discover how this reaction is altered with changes in environmentalconditions.
- In the fermentation by yeast experiment, include hypothesis and be sure to include at least one piece of scientific reasoning in the hypothesis to support the predictionFigure 1.18 In the example below, the scientific method is used to solve an everyday problem. Which part in the example below is the hypothesis? Which is the prediction? Based on the results of the experiment, is the hypothesis supported? If it is not supported, propose some alternative hypotheses.1. My toaster doesn’t toast my bread.2. Why doesn’t my toaster work?3. There is something wrong with the electrical outlet.4. If something is wrong with the outlet, my coffeemaker also won’t work when plugged into it.5. I plug my coffeemaker into the outlet.6. My coffeemaker works.Experiment with fish tank and algae Design an experiment with the scenario described below. The scenario gives you the observation. Please label your question, hypothesis, predication, and how you would design your experiment. You have access to any materials that you need for your experiment. Include a label for the standardized controls, independent variable, and dependent variable. You observe that your five-gallon fish tank that sits on your windowsill grows algae very quickly.
- The scientific method is the process that scientists use to find out new information. It involves a question, a hypothesis, a prediction, collecting data, and analyzing that data to make a conclusion. How would you use the scientific method to answer this question: Do mice live longer when they are fed high-sugar diets?In biological terms, _______ is a relationship between two organisms in which one organism benefits and the other is unaffected.Is an automatic drinking bowl for pets that stops dispensing water when it reaches the right level a positive feedback loop.