a) i) Chordata;
ii) Pisces;
Reason - Has fins;
- Gills;
- Operculum;
- Lateral line;
b) Streamlined shape;
c) i) A - lateral line;
B - Operculum;
ii) C- Prevent rolling and yawing;
D - Balance/braking;
d) -Presence of fins;
- Presence of scales;
- Has streamlined body;
sharon kalunda answered the question on September 17, 2019 at 14:00
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