protista characteristics

Question

Which group within Protista is primarily responsible for 'red tides' due to population blooms?

RankGuru · Accepted Answer

1. **Protista**: The group of unicellular eukaryotes.
2. **Red Tides**: These occur when specific organisms multiply rapidly (bloom), giving the sea a reddish color.
3. **The Culprit**: **Dinoflagellates** like *Gonyaulax* undergo such rapid multiplication.
4. **Impact**: They produce toxins that can kill other marine animals like fish. 
5. **Structure**: Dinoflagellates typically have two flagella and stiff cellulose plates on their outer surface.

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protista characteristics

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