3. What characteristic(s) are scientists trying to give chickens by cloning?

A. More white meat and smaller bones.

B. Resistance to diseases.

C. More meat and laying many eggs.

D. Black and white feathers and faster growth.

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

make   gliitsh plesea   !

just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project