Biology, 02.11.2020 20:30 brinjay430
Some poinsettia plants have green leaves that turn red. A garden club
decided to study the color change of poinsettia plants. Knowing that
poinsettias change color during the short daylight periods of winter, they
decided to investigate the effect of different daylight lengths on color
change.
Design a controlled experiment using three experimental groups that
could be used to determine if the number of hours of daylight has an
effect
on the color change of poinsettias. In your experimental design, be
sure to:
• state one hypothesis the experiment would test
• state one way the three experimental groups would differ
identify two factors that must be kept the same in all three groups
• identify the dependent variable in the experiment
• describe experimental results that would support your hypothesis
.
Answers: 2
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Some poinsettia plants have green leaves that turn red. A garden club
decided to study the color ch...
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