Different types of species
Answer:
A. They were part of the control group
Explanation:
In a scientific experiment, the CONTROL GROUP as opposed to the experimental group is the group that does not receive the experimental treatment. This acts as a standard for comparison.
In this question, the EXPERIMENTAL VACCINE is the experimental treatment or independent variable that was added. The five animal test subjects that was injected with this vaccine are called the EXPERIMENTAL GROUP while the other five test subjects that were rather injected with a PLACEBO are called CONTROL GROUPS.
List three characteristics of living organisms
<span>What did Jean-Baptiste Lamarck believe about traits such as large muscles that are acquired during one's lifetime?
</span><span>They can be passed on to offspring.
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<span>Jean-Baptiste Lamarck proposed that organisms have an innate tendency toward complexity and perfection.</span>
Food, shelter, water, are some things a squirrel will need to survive