please answer these questions which are in attachment?
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Your answer of these questions are :
21 ) => choanocytes are collar cells of sponges.Their flagella beat and maintain a water current.
22)=> in both of these groups of animals, bodies developed from two primary germ layers.
23 )=> ostis are inlets of water current and osculum acts as outlet of water current.
✴️✴️✴️✴️✴️✴️✴️✴️✴️✴️✴️✴️✴️✴️✴️
Thanks
Have a great day
Your answer of these questions are :
21 ) => choanocytes are collar cells of sponges.Their flagella beat and maintain a water current.
22)=> in both of these groups of animals, bodies developed from two primary germ layers.
23 )=> ostis are inlets of water current and osculum acts as outlet of water current.
✴️✴️✴️✴️✴️✴️✴️✴️✴️✴️✴️✴️✴️✴️✴️
Thanks
Have a great day
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