9 Questions
Which of the following best explains how resistance to cyanide spread in the scale insect population?
Insects with a resistance gene survived the first cyanide sprayings and passed the gene to their offspring.
On a hot day, what are dogs' sweating and panting responses primarily attributable to?
A response to a stimulus
Which of these is a key characteristic of natural selection in evolution?
The organisms best adapted to their environment being most likely to have offspring
In the context of evolution, what is the most important factor used by scientists to determine if two groups of organisms belong to the same species?
Can the two groups interbreed to produce fertile offspring
What is a distinguishing feature of artificial selection in contrast to natural selection in the context of evolution?
Artificial selection is driven by natural forces, while natural selection involves intentional human intervention
What is the dependent variable in any experiment?
It is the experimental data
In the given experiment, what is the dependent variable?
Heart rate of the audience members
What is a possible hypothesis most likely being tested in this experiment?
Do heart rates increase when watching scary movies
What should be done if scientific claims were questioned?
Peer review was used to examine the claims made by scientists
This quiz covers questions related to the dependent variable in experiments and the setup of a heart rate monitoring experiment before watching a scary movie. Test your understanding of experimental variables and procedures.
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