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Colpidium – indicates degree of pollution in water. Infective stage of taenia solium- cysticercosis. Extinct primitive arthropods – trilobites. Heterothallism – prevent interbreeding The orange pipe sponge, sometimes referred to as the orange pipe calcerous sponge or Leucosolenia botryoides, is a soft, white sponge with a tubular branching structure.The name is derived from the Greek word, "botrys", which means "cluster of grapes", relating to the branched structure of the sponge. It was originally found and named Spongia botryoides and given the common name "grape sponge" by … Polysiphonia is a heterotrichous alga having an erect series of branches and a filamentous prostrate section attached to the substratum by means of unicellular rhizoids. The ends of the rhizoids are flattened into lobed discs called haptera, which assist the penetration of the host tissue ( Polysiphonia parasitic form) or confirm attachment to substrata.

The record is 268 meters -- roughly 0.001% incident light -- collected by the Littlers, who are at the Smithsonian Institution Fig. 7.12: polysiphonia is a representative red alga with world wide distribution (vi) Green Algae. Green algae have pigments, energy reserve products, and cells walls that are identical to those of plants. Green algae are photosynthetic, with chlorophylla, chlorophyll b, and carotenoids present in the chloroplasts. Evolution. Chloroplasts evolved following an endosymbiotic event between an ancestral, photosynthetic cyanobacterium and an early eukaryotic phagotroph.

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Compare the life cycle Volvox Spirogyra Diatoms Polysiphonia Euglena Reproduction Locomotion Photosynthetic Pigments Niche Volvox Polysiphonia Diatoms Spirogyra action comotio Pbecosynt nigme Miche 2.2 Describe the movement of a Volvox colony and the unicellular Euglena. What structure(s) found on the Euglena is used for locomotion? sixotroph. 2.4 Despite the fact that the various protists observed in this exercise belong to different eukaryotic lineages, what makes them all "plantlike" in nature?

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Tetrasporophytic phase.

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sixotroph. 2.4 Despite the fact that the various protists observed in this exercise belong to different eukaryotic lineages, what makes them all "plantlike" in nature? Polysiphonia je rod crvenih algi iz porodice Rhodomelaceae.Oko 190 vrsta živi na obalama Britanskih otoka, a dvjestotinjak širom svijeta, uključujući Kretu u Grčkoj, Antarktiku i Grenland.. Opis.

They are attached by rhizoids or haptera to a rocky surface or other alga. The thallus (tissue) consists of fine branched filaments each … Sexual reproduction in Polysiphonia: Ø The life cycle of Polysiphonia is completed in three phases. (1).
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ADVERTISEMENTS: The asexual plant or tetrasporophyte produces tetraspores. All […] Sexual (conjugation - mobile protoplast = male, stationary= female) diatom reproduction.

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(1). Gametophytic phase (separate male and female plant) (2). Carposporophytic phase (3). Tetrasporophytic phase. Ø The life cycle of Polysiphonia consists of THREE plants (1). Male Plant (2).

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Ø The life cycle of Polysiphonia consists of THREE plants (1). Male Plant (2). Female Plant (3). Tetrasporophytic Plant TYPE II Polysiphonia - occurrence , structure, reproduction & development is discussed with detail. Polysiphonia is a marine alga. It is present along the coast of oceans.