33. Denise and David are testing how plants respond to fertilizer. They use three plants for the
experiment. The first is given a cup of Fast Grow Fertilizer with no water. The second is given a teaspoon
of Sunlight Fertilizer with a cup of water. The third plant is given no fertilizer with a cup of water.
Fast Grow
Fertilizer
SunLight
Fertilizer
Plant A
Plant B
Plant C
Which of the following statements explains why Denise and David will not be able to draw a valid
conclusion based on the results of their experiment?
There are not enough different types of plants.
There is no test variable (independent variable).
Results of the experiment need to be presented in a graph.
O More than one test variable (independent variable) has been changed in the experiment.
Answers: 1
Biology, 21.06.2019 20:00
!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.
Answers: 1
Biology, 22.06.2019 07:00
How much time has elapsed from the very beginning of "the memior of the conquistador bernal diaz del castillo" to the end? a. castillo's whole life b. a quarter of an hour c. a few weeks d. a decade
Answers: 1
33. Denise and David are testing how plants respond to fertilizer. They use three plants for the
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