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defon
4 years ago
5

The plantlike protists with delicate shells that make up a large proportion of the phytoplankton in freshwater ecosystems are wh

at?
Biology
2 answers:
Anika [276]4 years ago
5 0
They're called Diatoms
Hope this helped. 
Mark brainliest if it helped please!

algol [13]4 years ago
4 0
The correct answer is Diatoms <span>
</span>
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