6. What are mixotrophs? Why could they be problematic in the classification of protists?
Many similarities exist between green algae and plants. For this reason, some texts group these types of organisms as a single clade. Describe some of the similarities found between green algae and plants. Why would some consider algae as plants? Why would some consider them as protists?
Mixotrophs are the organism which have more than one type of nutition mode varying fron autotrophy to heterotophy depending in the external nad internal condition.
It was problamatic to classify protist because it showed features of plant(presence of chloroplast) and also of animal like presence of flagella or cillia for movement. Their mode of nutrition is also mixed type in some situation they act autotrophs and in another it acts heterotophs.
The main similarity between the green algae and plant is that both are autotrophs and both have similar choloroplast a ogran to use light of sun to reduce organic carbon into glucose.
We consider them as protist due to their ability to use two types of nutritional modes that is both autotrophs and hetrotrophs. They are placed in protists because they neither shows the complete character of plant nor of animal hence placed in protista.
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