Examlex
Describe the advantages and disadvantages of matching groups of participants in a between-subjects experiment.
Regulate
To control or maintain the rate or speed of a process or system according to a set of standards or requirements.
Vertebrates
A group of animals that have a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fish.
Placoid Scales
The toothlike scales found in sharks and other cartilaginous fishes.
Cartilaginous Fishes
A class of fishes that have skeletons made entirely out of cartilage, rather than bone.
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