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1) Design an experiment based on fruit ripening and ethylene: (1 or 2 sentences is fine)
Hypothesis:
Independent variable:
Dependent variable:
Control (describe at least 2):
Describe the control group:
Method:
Create a graph/table of your expected results. Label all axes and give the graph/table a name.
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- What are the main points to be noted in "The marshmallow experiment" video and Explain at least 5 points fully expressedA. Define null hypothesis in your own words. B. What is thr poiny of having a null hypothesis? C. What is the alternative hypothesis? D. Why do we need to test the null hypothesis instead of just proving an alternative hypothesis? F. You are t. Esting the effect of a particular fertilizer onba plant's growth. Your control plants don't get fertilizer while your test plants do. Whatvwould be your hypotheses and the null hypotheses?Write a hypothesis for each of the following research problems 1. What effect does light have on plant growth? Hypothesis:
- You hypothesise that plants will grow faster if they receive more fertiliser. Briefly explain how you would experimentally test this hypothesis by describing the experimental and control groups, independent-, dependent- and control variablesGreg is forming a hypothesis for a science experiment. His current hypothesis is: "How many hours of sunlight per day is best for dandelion flowers?" What is wrong with Greg's current hypothesis? (Choose all that apply) It should test a wider variety of flowers. It isn't written in the form of a statement. It doesn't provide enough evidence. It doesn't define an independent variable It is too broad, and not testable. It doesn't define a dependent variableIn the experiment conducted to test why individuals in the tree species Fuschsia excorticata retain flowers after they turn red even though the trees pollinate and offer a nectar reward only when flowers are green (Figure attached 10.28 first tested the 'pollinator-attraction' hypothesis that red flowers attract pollinators: once drawn to a tree, pollinators could forage on the green flowers still present, increasing overall pollination efficiency. Please assess the lowercase-Roman-numeral-labelled statements that appear immediately below and click the uppercase-letter-labelled response that appears below and conveys the most accurate information. i. If the pollinator-attraction hypothesis were correct, then green flowers surrounded by red flowers should receive more pollen than should green flowers surrounded by only green flowers. ii. The prediction in statement i could be tested by removing red flowers from some trees, forming one experimental group, and leaving red flowers on…
- Experiments usually have several controlled variables. These are variables that must be kept constant in all parts of an experiment. For example, if an experiment is testing the effect of sunlight on the growth rate of 5 seeds, the only variable that should change should be the amount of sunlight. All other variables should remain the same to ensure that sunlight is the only aspect affecting the results. The other variables, such as soil type, amount of water, type/amount of fertilizer, are the controlled variables. Looking back at the simulation experiment on the meteorite, describe two variables that should have been controlled.Fitness can be measured as seed set (seed production) Why is it important to measure fitness as seed production?What is your analysis in the What is your analysis on the given picture? How is this concept important?