Euglena life cycle.

) Minus strain
2) Minus zoospores or gametes (n)
3) merging gametes
4) Formation of the conjugation bridge
5) Plasmogamy (complete fusion of protoplasts)
6) Karyogamy (fusion of nuclei)
7) zygote (2n)
8) zygote (2n) (formation of a thick cell wall)
9) Meiosis and germination
10) Plus-strain
11) Mitosis
12) Plus-zoospores or gametes (n)
13) Sexual reproduction.



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