Answer:
The control variable is the soldier.
Explanation:
The same soldier is used throughout the test
A tiny solid suspended in the athmosphere
By fishing and cultivating tara
The epiglottis covers the larynx to prevent food from entering the lungs.
Answer: the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.
or
the physiology, behavior, and other qualities of a particular organism or class of organisms.
and
the plants and animals of a particular area