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.
Answer:
D: a Hypertonic sucrose solution
Explanation:
Sucrose cannot pass through the membrane and Hypertonic solution's cause cells to shrink.
Answer:
Fossils of Ambulocetus
Explanation:
Fossils of Ambulocetus show that it was about 3 meters long. It had hind legs which were more suited for swimming than for walking. It could hear very well under water, and its teeth resembled those of modern cetaceans. Its limb anatomy suggests that it was slow on land and in the water.
Solvents are dissolved in a solute to create a solution. Some examples are sugar solutions, where sugar is the solvent, water is the solute, and the solution is the sugar water that results, as long as the sugar is dissolved evenly in the water.
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