1.the non living substance inside cyctoplasm vacuoles is __________.
2.All organisms together in an area is __________.
3.The scientific study of relationship of of organisms with their environment called _________.
4.Xylem & phloem together is called as _________.
5.columnar epithelium is present in lining of the ____________,___________,___________.
6.The bone matrix is arranged in the form of concentric layers around central canal called___________.
7. Dark & light bands (striations) are present in ______________ & _____________ muscles.
Write 1 function of WBC.