MCQ
Common characteristic between bryophytes and pteridophytes is
- AVascularisation
- BTerrestrial habit
- ✓Water for fertilization
- DIndependent sporophyte
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$R$ : The main stimulus for these quick changes is due to input from the proprioreceptors, which monitor movements of joints and muscles.
$(I)$ Central nervous system is ventral, solid and double
$(II)$ Gill slits are absent
$(III)$ Heart is ventral
$(IV)$ Post anal tail is absent