Scientists rely on embryological development patterns and adult body plans for all animals in order to classify animals. The correct option among all the options that are given in the question is the third option or option "c". It is the work of the biologists to classify animals and put them in order for studying them easily and in a group.
yes they are you are right
Answer:
stomach acid< urine< blood
hope this answer help.
A. a school nurse misses work because she is not feeling well