D) the amount of space that the liquid takes up in a container.
Volume=the amount of space that a substance or object occupies, or that is enclosed within a container.
An organism? There is nothing past organ systems
Population age structure is a summary of the number of individuals of each age in the population. An example is, In 2002, 30% of the worlds population was under 15 years old. <span />
the first blank is point counts, and the second is transect sampling.
The answer to your question is homeostasis
