9. a) How does hydrogen bonding help the transport of water in plants? (2 poin

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .

the glands which are associated with each description is given below:

yes, because even though a theory has a  lot of evidence to support it, it is not always true