Arthropods has the bilateral symmetry !
so answer is B !
The air that we breathe in is an example of solid solution
The definition of cell theory is as follows: <span>a </span>theory<span> in biology that includes one or both of the statements that the </span>cell<span> is the fundamental structural and functional unit of living matter and that the organism is composed of autonomous </span>cells<span> with its properties being the sum of those of its </span>cells<span>.</span>
Answer:
D. helps maintain membrane fluidity
Explanation:
