What are the common features of diatoms which justify their inclusion in protoctists?
Answers
Answer:
Diatoms are the unicellular organisms which are very small in size and they are often found in fresh and marine water bodies.
Explanation:
Diatoms are often placed in protoctists, it is because they have some feature related to protoctists. Protoctists are eukaryotic and small organisms. Diatoms prepare their own food by the process of sunlight which also happens with protoctists. Also their bodies are made up of of silica which is common with protoctists.
They also consist of transparent body, light can easily pass through them and it is also one of the feature which is common between diatoms and protoctists. They are also of different shapes and sizes. Also they prefer to live in colonies which has several numbers of organisms in it. It resembles multicellular eukaryotic organism once there in a colony.