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Showing posts with the label euglenoids

Kingdom protista (Dianoflagellates )

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Dianoflagellates They are protists  with two flagella that's why they are called dianoflagellates  They are neither plant nor animal-like protist  They contain chlorophyll/ carotene/ several groups of Xanthophylls   complex cell covering, cortex is present  Light sensitive organelle, eye spot is found in some of them Erythropsidium :-smallest known eye Habitat :-aquatic (can be fresh water / marine ) Nutrition - photosynthetic, ingestion of prey through Oodinium, Notiluca Reproduction :-fission (asexual ) Sexual mode is seen only in some of them  Red tide They are also known as algal bloom  The coloration of the sea into red is due to rapid multiplication of the red dianoflagellates, gonyaulux, is termed red tide Chemicals released during this processs is extremely harmful for the survival of other aquatic life Euglenoids They share characteristics of both plants and animals  They have a shape cha...