Organs joined into functional systems make the level called:
ATissue only
BCellular one
COrgan system
DOrgan only
Answer & Solution
Correct answer: C. Organ system
1. Annelids, arthropods and chordates show this pattern.
2. Their organs work together in systems.
3. That is the organ system level of organisation.
_Source: NCERT Class 11 Biology, Chapter 4, Animal Kingdom._
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