Animal Length of digestive system Diet Category Animal weight
Koala 305 cm herbivore 10 kg
Dog 135 cm carnivore 11 kg
Rabbit 272 cm herbivore 9 kg
Bobcat 145 cm carnivore 12 kg
What conclusion can you draw from the data in the table above regarding carnivores and herbivores?
(1 point)
Responses
The length of the digestive system is directly related to the weight of an animal.
The length of the digestive system is directly related to the weight of an animal.
There is no correlation between diet and length of digestive system.
There is no correlation between diet and length of digestive system.
Herbivores have shorter digestive systems than carnivores.
Herbivores have shorter digestive systems than carnivores.
Carnivores have shorter digestive systems than herbivores.
Carnivores have shorter digestive systems than herbivores.
A farmer wants to test the affects of a pesticide on his peach crop yield, so he sprays an orchard with the pesticide treatment. A second orchard does not receive the pesticide. In the fall, the number of peaches harvested from each orchard is counted. Which of the following is the independent (manipulated) variable in the experiment?(1 point)
Responses
the second orchard
the second orchard
the first orchard
the first orchard
the pesticide
the pesticide
the number of peaches
the pesticide
A theory(1 point)
Responses
is always true.
is always true.
is a problem to be solved.
is a problem to be solved.
is the opening statement of an experiment.
is the opening statement of an experiment.
may be revised or replaced.
may be revised or replaced.
Which of the following is not included in the design of an laboratory experiment?(1 point)
Responses
Problem statement
Problem statement
Procedure
Procedure
Materials used
Materials used
Conclusion
Conclusion
Scientists form hypotheses from which of the following?(1 point)
Responses
prior knowledge.
prior knowledge.
logical inferences.
logical inferences.
informed, creative imagination.
informed, creative imagination.
all of the above
all of the above
A scientist finds that her hypothesis is not supported by the data she gathered as a result of her experiment. What conclusion can she reach?(1 point)
Responses
The data do not support the hypothesis.
The data do not support the hypothesis.
Her observations were biased.
Her observations were biased.
The data are incorrect.
The data are incorrect.
The hypothesis is wrong.