WebFor many years the diatoms—treated either as a class (Bacillariophyceae) or a phylum (Bacillariophyta)—were divided into just 2 orders, corresponding to the centric and the … WebThese present one, two or three very fine cytoplasmic extensions, devoid of mastigonemes and subtended by microtubules. These extensions do not beat like a flagellum, but exhibit …

Bacillariophyta Encyclopedia.com

WebOne remedy is to put green algae in the plant kingdom and some observers do this. Another alternative is to simply throw out the Kingdom level of taxonomy and this is what many modern treatments do. If this were done then one might split the green algae into two phyla, one that includes land plants (Streptophyta) and one that doesn’t (Chlorophyta). WebThe engulfing cell destroyed everything except the chloroplast and possibly the cell membrane of its original cell, leaving three or four membranes around the chloroplast. Different algal groups have different pigments, which are reflected in common names such as red algae, brown algae, and green algae. orange and blue tie dye

Protists Test Diagram Quizlet

WebSexual reproduction is by formation of gametes. The development of motility, sexual differentiation, and gamete fusion seems dependent on the production of substances (termones, gamones) that have a regulatory action similar to hormones. This article was most recently revised and updated by Melissa Petruzzello. green algae Table of Contents WebJun 16, 2024 · Diatoms primarily reproduce asexually by binary fission, similar to prokaryotes. During binary fission, the two valves of the frustule are separated and each new cell forms a new valve inside the old one. However, the new valve is always smaller. orange and blue vinyl wrap