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Biology 21 Online
OpenStudy (anonymous):

Protozoans are _________________________. A. chemotrophs without a cell wall B. heterotrophs with a cell wall C. chemotrophs without a cell wall D. heterotrophs without a cell wall

OpenStudy (anonymous):

@UndeadArmy29 I am afraid that this question is impossible to answer without a bit more info. Do you know the classification system you are using? Are you using 5 kingdoms, 3 domains? It does make a difference.

OpenStudy (koikkara):

WelcomE to OpeN StudY !! SweeT FrienD !! @UndeadArmy29 Protozoans are heterotrophic and they lack a cell wall. Heterotrophic means that the cell needs to consume energy that comes from the outside. For example, we humans are heterotrophs because our energy comes from outside sources - otherwise known as FOOD. And furthermore, the only cells that have walls are plant cells. So which option Is it ? SatisfieD with ThiS AnsweR, ClosE ThiS QuestioN !! ThanK YoU !! KeeP In ToucH WitH OpeN StuDy !!

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