Levels Of Organisation

Basis Of Classification - Level Of Organisation|Symmetry|Germ Layers|Coelom|Notochord|Development

Methods of locomotion performed by animals vary with their a. Habits b. Habitats c. Level of organisation (d).Demand of the situation

{:("Phylum","Level of organisation","Digestive system","Respiratory system"),("Aschelminthes","A","Complete","Absent"),("Echinodermata","Organ system","B","Present"),("Platyhelminhes","Organ","Incomplete","C"),("Annelida","Organ system","Incomplete","D"):} Select the option with correct identification of A, B, C, and D.

Which of the following characteristics cannot be used in grouping and sub-grouping of organisms? (i) Cells are prokaryotic or eukaryotic (ii) Presence or absence of mitochondria (iii) Number of cells in an organisms (iv) Mode of nutrition (v) Level of organisation in body (vi) Organisms are nocturnal or diurnal (vii) Organisms are oviparous or viviparous

Which of the following are correct ? (i) Sponges : Cellular level of organisation (ii) Cnidaria : Tissue level of organisation (iii) Platyheminthes : Organ level of organisation (iv) Annelids, Arthropods, Molluscs, Echinoderms and Chordates : Organ system level of organisation

Highest level of organisation is

Organ system level of organisation is observed in

Among the following most complex level of organisation is present in