MCQ
The structure which does not contribute to the breathing movements in mammals is:
- ADiaphragm.
- BRibs.
- CIntercostal muscles.
- ✓Larynx.
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$I$. They reproduce asexually by non-motile spores and sexually by non-motile gametes
$II$. In this class, sexual reproduction is oogamous and accompanied by complex post-fertilisation developments
$III$. The common members are Polysiphonia, Porphyra, Gracilaria and Gelidium
The above characteristics are belongs to which class of algae