The independent variable is the type of food available.<span>The dependent variable is the frequency of each type of beak (or number of birds with each beak type)</span>
Cells are the smallest unit of life
The relationship between the two species is a symbiotic relationship.
The answer is C
Hope this helps
if you were making an observation of two substances, The five conditions of chemical change would be color chage, formation of a precipitate, formation of a gas, odor change, temperature change. i hope this helps
