Just need help answering this question. A student wanted to compare the transpiration rates of two different plant species at varying levels of humidity. The results are recorded in the table shown. Each plantgroup was given the same amount of water and light throughout the investigation. Which procedure should have been performed to prevent error in this investigation?Comparison of Transpiration Rates Over a 60 Hour PeriodHumidity(%)Plant SpeciesGroup|(10 plants each)Type of Soil(200 g)AverageTranspiration Rate(g/dm2/hr)Species 123.535SardSpecies 221.6Species 120.446SandSpecies 223.8Species 118.858ClaySpecies 222.9Species 114.470ClaySpecies 216.5The percentage of humidity should have beenkept constantOne type of plant should have been testedFewer plants should have been included ineach groupdBoth groups should have been tested in thesame soil type at each humidity level

The correct answer is d, Both groups should have been tested in the same soil type at each humidity…

Answered: Which procedure should have been…

Science

Biology

Which procedure should have been performed to prevent error in this investigation?

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter35: Plant Nutrition

Section: Chapter Questions

Problem 2ITD

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Question

Just need help answering this question.

A student wanted to compare the transpiration rates of two different plant species at varying levels of humidity. The results are recorded in the table shown. Each plant
group was given the same amount of water and light throughout the investigation. Which procedure should have been performed to prevent error in this investigation?
Comparison of Transpiration Rates Over a 60 Hour Period
Humidity
(%)
Plant Species
Group
|(10 plants each)
Type of Soil
(200 g)
Average
Transpiration Rate
(g/dm2/hr)
Species 1
23.5
35
Sard
Species 2
21.6
Species 1
20.4
46
Sand
Species 2
23.8
Species 1
18.8
58
Clay
Species 2
22.9
Species 1
14.4
70
Clay
Species 2
16.5
The percentage of humidity should have been
kept constant
One type of plant should have been tested
Fewer plants should have been included in
each group
d
Both groups should have been tested in the
same soil type at each humidity level

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