A constant factor could be the dose of the drugs and the species of the rats used.
<h3>What is a constant factor?</h3>
In an experiment, a constant factor is one that is not allowed to change al through the experiment. This one must be held as the same and not allowed to vary. A constant factor could be the dose of the drugs and the species of the rats used.
The factor that would be different for the experimental group and the control group the administration of the new drug.
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B
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The correct option is, B, that is, RADIAL SYMMETRY.
Symmetry refers to the balanced distribution of the duplicated body parts or shapes within the body of a living organism. There are different types of symmetry, we have bilateral, radial and asymmetrical symmetry.
Radial symmetry refers to the type of body plan in which the body parts are arranged around a central axis, that is, the body parts are arranged in a circle around an axis.<span />
Answer:
Biological anthropology
Explanation:
Biological anthropology is a mixture of social studies and biological studies. This science investigates the evolution of human beings in the context of behavior. Biological anthropologists investigate how changes in human physical and genetic profile interfered with their social and cultural behavior through the history. Biological anthropology tries to give us an answer what is the cause of present human diversity. To understand how humans evolved, some scientists study primates (monkeys and apes) and others examine the skeletal remains of our human ancestors.
Increase blood osmolarity
increase rate of urine production
constrict the glomerulus arteriole
hold back Na+ from excretion
