6. Describe the range of variation in the nervous systems of invertebrates. 7. Distinguish among asymmetry, radial symmetry, and bilateral symmetry.

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d

genetic variation will increase because of a new habitat and food source.

explanation:

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added