Answer:
Vestigial structures do not have a function, yet they are homologous to functional structures in related species. They are important because they provide clues to the ancestry of the organism. Many species look similar as embryos.
The basic pattern of breathing is established by the DORSAL RESPIRATORY GROUP located in the MEDULLA OBLONGATA.
a behavioral response requires coordination and communication between different parts of the body.
hope this helps!
Answer:
answer is 2 for both cuz they both have the 2 subscript next to hydrogen
