Give scientific reasons: Euglena contains the characteristics of both algae and protozoans.

  • A
    It possesses a cell wall made of cellulose.
  • B
    It lacks a pellicle and has flagella.
  • C
    It is autotrophic in the presence of light and heterotrophic in the absence of light.
  • D
    It reproduces only by sexual reproduction.

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