2. sodium ion that has lost an electron
Answer:
Population Size and Density: Total size is generally expressed as the number of individuals in a population. ...
Population dispersion or spatial distribution: ...
Age structure: ...
Natality (birth rate): ...
Mortality (death rate):
Explanation:
Answer:
The concentration of glucose must be maintained within a fairly narrow range in most vertebrates. This statement is an example of — d. homeostasis.
Answer:
Water, fresher climate, not only scientific factors but also a psychological factor (nice beaches, palms, other wildlife, etc.)