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Autotrophic heterokonts do not consume other organisms and produce energy by harvesting light, whereas heterotrophic heterokonts obtain their energy by consuming other organisms regardless of the presence of light.

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The above is actually a good answer although a little difficult to understand. (although heterotrophic heterokonts are NOT carnivores).

In essence the diatoms that yu are thinking about (the ones that live on light) do not eat bacteria when placed in the dark.

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Wiki User

9y ago
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Wiki User

7y ago

I recently studied different types of protists, and Diatoms, being plant-like protists, are a separate category from Euglanoids. I learned that Euglanoids are the only plant-like protists which can, on occasion, be heterotrophs (predators, not plants). This would mean that yes Diatoms can eat other organisms.

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Wiki User

13y ago

yes it can eat bacteria

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Carlie Wilbanks

Lvl 2
4y ago

Yes?

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Anonymous

Lvl 1
4y ago

Yes

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Q: Can diatoms eat bacteria in the absence of light?
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