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TYPES OF SPERM
Mainly two types .
(1) Flagellated Sperm - Generally all sperm are monoflagelated, but in todfish or opsonus sperm is biflagelated.
(2) Non flagellated sperm - Flagella is absent, present in some nematods, crustacean etc.
In ascaris (nematod) and polyphemus (crustacean) sperms are amoeboid.
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