Question 1 : ________ have a variety of systems due to the complexity of the species' organism.
Question 2 : Organs of ________ can be divided into vegetative and reproductive.
Question 3 : In other divisions of plants, the reproductive organs are called strobili (in Lycopodiophyta ) or simply gametophores (in ________ ).
Question 4 : The organ level of organisation in ________ can be first detected in flatworms and the more advanced phyla .
Question 5 : Vegetative plant organs are root , stem and ________ .
Question 6 : These specific systems are widely studied in ________ .
Question 7 : A hollow organ is a visceral organ that is a hollow tube or pouch (as the stomach or intestine ) or that includes a cavity (as of the ________ or urinary bladder ).