in al What is the structure 8 function of stigma Euglena?
Answers
Answer:
Eyespot, also called stigma, a heavily pigmented region in certain one-celled organisms that apparently functions in light reception. The term is also applied to certain light-sensitive cells in the epidermis (skin) of some invertebrate animals (e.g., worms, starfishes). Euglena anatomy.
Answer: Euglena is a unicellular eukaryote. Euglena has characteristics of both plants and animals. Euglena is flagellated. Euglena has plastids and performs photosynthesis in light, but moves around in search of food using its flagellum at night. There are around 1000 species of Euglena found. They are found in freshwater, saltwater, marshes and also in moist soil.
Euglena Classification
Classification of Euglena is contentious. They are kept in the phylum Euglenozoa or in the phylum Euglenophyta with algae due to the presence of chlorophyll. Since all the species of Euglena do not contain chloroplasts, they are kept in the phylum Euglenozoa. The class Kinetoplasteae in the phylum Euglenozoa contains non-photosynthetic flagellates known as Trypanosomes, which are parasitic and cause serious diseases in humans such as African sleeping sickness, leishmaniasis
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