Question

question-
Diatoms differ from dinoflagellates in
1) Having cellulosic cell wall
2) Lacking chlorophyll a
3) Floating passively on the surface of water
4) Having aquatic habitat

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Answer 1

Explanation:

2)lacking chlorophyll a

Answer 2

Answer:

option 3

Diatoms float passively in active currents called planktons...