Which of the following Chromalveolates are not photosynthetic? A: diatoms B: oomycetes C: dinoflagellates D: apicomplexans E: both b and d are correct

### E: both b and d are correct

## Step1: Identify Photosynthetic Chromalveolates### Chromalveolates are a group of eukaryotic organisms that include diatoms, oomycetes, dinoflagellates, and apicomplexans. Among these, diatoms and dinoflagellates are known to be photosynthetic, possessing chloroplasts for photosynthesis.## Step2: Identify Non-photosynthetic Chromalveolates### Oomycetes and apicomplexans do not have chloroplasts and are not capable of photosynthesis. Oomycetes are more closely related to fungi, and apicomplexans are parasitic, lacking photosynthetic capability.## Step3: Determine the Correct Option### Since both oomycetes and apicomplexans are non-photosynthetic, the correct answer is the option that includes both of these groups.