Rotifers - Revision history

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2025-05-01T18:46:02Z

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← Older revision		Revision as of 14:46, 1 May 2025
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	Rotifers’ diet must consist of matter small enough for their tiny mouths during filter feeding because they are microscopic. While primarily omnivorous, some species have been known to be cannibalistic.		Rotifers’ diet must consist of matter small enough for their tiny mouths during filter feeding because they are microscopic. While primarily omnivorous, some species have been known to be cannibalistic.

	The diet of rotifers includes particles up to 10 micrometers in size, which most commonly consists of organic detritus and dead bacteria, algae, and [[protozoans]]. They also contribute to [[Nutrient Cycling]]. Rotifers are in turn prey to carnivorous secondary consumers, including shrimp and crabs.		The diet of rotifers includes particles up to 10 micrometers in size, which most commonly consists of organic detritus and dead bacteria, [[algae]], and [[protozoans]]. They also contribute to [[Nutrient Cycling]]. Rotifers are in turn prey to carnivorous secondary consumers, including shrimp and crabs.

	== References ==		== References ==

Njhenshu: The LinkTitles extension automatically added links to existing pages (https://github.com/bovender/LinkTitles).

2021-04-29T17:05:26Z

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Colineck: /* Feeding */

2018-05-11T13:36:04Z

Feeding

← Older revision		Revision as of 09:36, 11 May 2018
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	Rotifers’ diet must consist of matter small enough for their tiny mouths during filter feeding because they are microscopic. While primarily omnivorous, some species have been known to be cannibalistic.		Rotifers’ diet must consist of matter small enough for their tiny mouths during filter feeding because they are microscopic. While primarily omnivorous, some species have been known to be cannibalistic.

	The diet of rotifers includes particles up to 10 micrometers in size, which most commonly consists of organic detritus and dead bacteria, algae, and protozoans. They also contribute to [[~~nutrient cycling~~]]. Rotifers are in turn prey to carnivorous secondary consumers, including shrimp and crabs.		The diet of rotifers includes particles up to 10 micrometers in size, which most commonly consists of organic detritus and dead bacteria, algae, and protozoans. They also contribute to [[Nutrient Cycling]]. Rotifers are in turn prey to carnivorous secondary consumers, including shrimp and crabs.

	== References ==		== References ==

Colineck: /* Feeding */

2018-05-11T12:56:16Z

Feeding

← Older revision		Revision as of 08:56, 11 May 2018
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	Rotifers’ diet must consist of matter small enough for their tiny mouths during filter feeding because they are microscopic. While primarily omnivorous, some species have been known to be cannibalistic.		Rotifers’ diet must consist of matter small enough for their tiny mouths during filter feeding because they are microscopic. While primarily omnivorous, some species have been known to be cannibalistic.

	The diet of rotifers includes particles up to 10 micrometers in size, which most commonly consists of organic detritus and dead bacteria, algae, and protozoans. They also contribute to nutrient ~~recycling~~. Rotifers are in turn prey to carnivorous secondary consumers, including shrimp and crabs.		The diet of rotifers includes particles up to 10 micrometers in size, which most commonly consists of organic detritus and dead bacteria, algae, and protozoans. They also contribute to [[nutrient cycling]]. Rotifers are in turn prey to carnivorous secondary consumers, including shrimp and crabs.

	== References ==		== References ==

Colineck: /* Reproduction */

2018-05-11T12:55:42Z

Reproduction

← Older revision		Revision as of 08:55, 11 May 2018
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	Reproduction in rotifers is a bit strange. There are several forms of reproduction observed in rotifers. Some species use a form called parthenogenesis. In these cases, the species can develop asexually from an unfertilized egg.		Reproduction in rotifers is a bit strange. There are several forms of reproduction observed in rotifers. Some species use a form called [[parthenogenesis]]. In these cases, the species can develop asexually from an unfertilized egg.

	In other cases, species reproduce sexually, with the males usually only surviving long enough to produce sperm to fertilize eggs. The fertilized eggs then form resistant zygotes that can survive if the local water supply should dry up. The eggs are released into the water where they hatch. Reproduction in these creatures can be determined by phylum. The three classes of Rotifera reproduce with different mechanisms. ''Seisonidea'' reproduce exclusively bisexually, ''Bdelloidea'' reproduce exclusively by [[parthenogenesis]], and ''Monogononta'' reproduce alternating these two mechanisms ([[heterogony]]). Parthenogenesis is the more dominant form because it promotes fast population growth and colonization.		In other cases, species reproduce sexually, with the males usually only surviving long enough to produce sperm to fertilize eggs. The fertilized eggs then form resistant zygotes that can survive if the local water supply should dry up. The eggs are released into the water where they hatch. Reproduction in these creatures can be determined by phylum. The three classes of Rotifera reproduce with different mechanisms. ''Seisonidea'' reproduce exclusively bisexually, ''Bdelloidea'' reproduce exclusively by parthenogenesis, and ''Monogononta'' reproduce alternating these two mechanisms ([[heterogony]]). Parthenogenesis is the more dominant form because it promotes fast population growth and colonization.

	[[File:Rotifer2.jpg\|thumb\|right\|Rotifer with egg attached to foot/stalk [2]]]		[[File:Rotifer2.jpg\|thumb\|right\|Rotifer with egg attached to foot/stalk [2]]]

Colineck: /* Reproduction */

2018-05-11T12:54:31Z

Reproduction

← Older revision		Revision as of 08:54, 11 May 2018
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	Reproduction in rotifers is a bit strange. There are several forms of reproduction observed in rotifers. Some species use a form called parthenogenesis. In these cases, the species can develop asexually from an unfertilized egg.		Reproduction in rotifers is a bit strange. There are several forms of reproduction observed in rotifers. Some species use a form called parthenogenesis. In these cases, the species can develop asexually from an unfertilized egg.

	In other cases, species reproduce sexually, with the males usually only surviving long enough to produce sperm to fertilize eggs. The fertilized eggs then form resistant zygotes that can survive if the local water supply should dry up. The eggs are released into the water where they hatch.		In other cases, species reproduce sexually, with the males usually only surviving long enough to produce sperm to fertilize eggs. The fertilized eggs then form resistant zygotes that can survive if the local water supply should dry up. The eggs are released into the water where they hatch. Reproduction in these creatures can be determined by phylum. The three classes of Rotifera reproduce with different mechanisms. ''Seisonidea'' reproduce exclusively bisexually, ''Bdelloidea'' reproduce exclusively by [[parthenogenesis]], and ''Monogononta'' reproduce alternating these two mechanisms ([[heterogony]]). Parthenogenesis is the more dominant form because it promotes fast population growth and colonization.

	[[File:Rotifer2.jpg\|thumb\|right\|Rotifer with egg attached to foot/stalk [2]]]		[[File:Rotifer2.jpg\|thumb\|right\|Rotifer with egg attached to foot/stalk [2]]]

Colineck: /* Reproduction */

2018-05-11T12:48:52Z

Reproduction

← Older revision		Revision as of 08:48, 11 May 2018
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	[[File:Rotifer2.jpg\|thumb\|right\|Rotifer with egg attached to foot/stalk [2]]]		[[File:Rotifer2.jpg\|thumb\|right\|Rotifer with egg attached to foot/stalk [2]]]
	There is no particular breeding season with these ~~animals~~. Up to 7 eggs can be released at one time and will hatch within 12 hours. Upon hatching, rotifers need about 18 hours to reach sexual maturity.		There is no particular breeding season with these [[organisms]]. Up to 7 eggs can be released at one time and will hatch within 12 hours. Upon hatching, rotifers need about 18 hours to reach sexual maturity.

	== Feeding ==		== Feeding ==

Colineck: /* Anatomy and Body Structure */

2018-05-11T12:47:24Z

Anatomy and Body Structure

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	'''Head'''		'''Head'''

	In most species, the head carries a crown shaped organ, a ciliated structure called the Corona. Rotifers use this structure to create a vortex that funnels water into the organism’s mouth. The rotifer sifts through the stream using the coronal cilia, it sweeps food into the mouth. Inside the mouth is the pharynx, which works as a chewing tube that has a powerful muscular wall. It also contains the tiny, calcified, jaw-like trophi. The trophi are characteristic of rotifers and nearly all species have them.		In most species, the head carries a crown shaped organ, a ciliated structure called the Corona. Rotifers use this structure to create a vortex that funnels water into the organism’s mouth. The rotifer sifts through the stream using the coronal [[cilia]], it sweeps food into the mouth. Inside the mouth is the pharynx, which works as a chewing tube that has a powerful muscular wall. It also contains the tiny, calcified, jaw-like trophi. The [[trophi]] are characteristic of rotifers and nearly all species have them.

Colineck: /* Rotifers Overview */

2018-05-11T12:44:52Z

Rotifers Overview

← Older revision		Revision as of 08:44, 11 May 2018
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	Rotifers are microscopic [[organisms]] that make up the phylum of Rotifera. Rotifers are found in a variety of water environments. This includes moisture in the soil, where the organisms survive within the thin films of water that are formed around particles of soil. Other locations rotifers can be found include pond/lake bottoms or other still water locations as well as leaf litter, dead trees, and ~~lichens~~/mosses.		Rotifers are microscopic [[organisms]] that make up the phylum of Rotifera. Rotifers are found in a variety of water environments. This includes moisture in the soil, where the organisms survive within the thin films of water that are formed around particles of soil. Other locations rotifers can be found include pond/lake bottoms or other still water locations as well as leaf litter, dead trees, and [[lichen]]/mosses.

	[[File:Rotifer3.jpg\|thumb\|right\|Rotifer under Microscope [3]]]		[[File:Rotifer3.jpg\|thumb\|right\|Rotifer under Microscope [3]]]

Colineck: /* Rotifers Overview */

2018-05-11T12:42:20Z

Rotifers Overview

← Older revision		Revision as of 08:42, 11 May 2018
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	Rotifers are microscopic organisms that make up the phylum of Rotifera. Rotifers are found in a variety of water environments. This includes moisture in the soil, where the organisms survive within the thin films of water that are formed around particles of soil. Other locations rotifers can be found include pond/lake bottoms or other still water locations as well as leaf litter, dead trees, and lichens/mosses.		Rotifers are microscopic [[organisms]] that make up the phylum of Rotifera. Rotifers are found in a variety of water environments. This includes moisture in the soil, where the organisms survive within the thin films of water that are formed around particles of soil. Other locations rotifers can be found include pond/lake bottoms or other still water locations as well as leaf litter, dead trees, and lichens/mosses.

	[[File:Rotifer3.jpg\|thumb\|right\|Rotifer under Microscope [3]]]		[[File:Rotifer3.jpg\|thumb\|right\|Rotifer under Microscope [3]]]

← Older revision		Revision as of 13:05, 29 April 2021
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	Rotifers are microscopic [[organisms]] that make up the phylum of Rotifera. Rotifers are found in a variety of water environments. This includes moisture in the soil, where the organisms survive within the thin films of water that are formed around particles of soil. Other locations rotifers can be found include pond/lake bottoms or other still water locations as well as leaf litter, dead trees, and [[lichen]]/mosses.		Rotifers are microscopic [[organisms]] that make up the phylum of Rotifera. Rotifers are found in a variety of water environments. This includes moisture in the [[soil]], where the organisms survive within the thin films of water that are formed around particles of soil. Other locations rotifers can be found include pond/lake bottoms or other still water locations as well as leaf litter, dead trees, and [[lichen]]/mosses.

	[[File:Rotifer3.jpg\|thumb\|right\|Rotifer under Microscope [3]]]		[[File:Rotifer3.jpg\|thumb\|right\|Rotifer under Microscope [3]]]
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	Rotifers’ diet must consist of matter small enough for their tiny mouths during filter feeding because they are microscopic. While primarily omnivorous, some species have been known to be cannibalistic.		Rotifers’ diet must consist of matter small enough for their tiny mouths during filter feeding because they are microscopic. While primarily omnivorous, some species have been known to be cannibalistic.

	The diet of rotifers includes particles up to 10 micrometers in size, which most commonly consists of organic detritus and dead bacteria, algae, and protozoans. They also contribute to [[Nutrient Cycling]]. Rotifers are in turn prey to carnivorous secondary consumers, including shrimp and crabs.		The diet of rotifers includes particles up to 10 micrometers in size, which most commonly consists of organic detritus and dead bacteria, algae, and [[protozoans]]. They also contribute to [[Nutrient Cycling]]. Rotifers are in turn prey to carnivorous secondary consumers, including shrimp and crabs.

	== References ==		== References ==
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	“Epizoic and Parasitic Rotifers.” Hydrobiologia, by L. May, vol. 186, 1989, pp. 59–67. SpringerLink.		“Epizoic and Parasitic Rotifers.” Hydrobiologia, by L. May, vol. 186, 1989, pp. 59–67. SpringerLink.

	Gilbert, John J. “Rotifer Ecology and Embryological Induction.” Science, American Association for the Advancement of Science, 11 Mar. 1966.		Gilbert, John J. “Rotifer [[Ecology]] and Embryological Induction.” Science, American Association for the Advancement of Science, 11 Mar. 1966.

	Herzig A. (1987) The analysis of planktonic rotifer populations: A plea for long-term investigations. In: May L., Wallace R., Herzig A. (eds) Rotifer Symposium IV. Developments in Hydrobiology, vol 42. Springer, Dordrecht.		Herzig A. (1987) The analysis of planktonic rotifer populations: A plea for long-term investigations. In: May L., Wallace R., Herzig A. (eds) Rotifer Symposium IV. Developments in Hydrobiology, vol 42. Springer, Dordrecht.
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	Webster, Thomas, et al. “Bdelloid Rotifers: Female Filter Feeders.” Www.amateurmicroscopy.net...Bdelloid Rotifers, 2003, www.photomacrography.net/amateurmicroscopy/Articles/Rotifers/rotifers.htm.		Webster, Thomas, et al. “Bdelloid Rotifers: Female Filter Feeders.” Www.amateurmicroscopy.net...Bdelloid Rotifers, 2003, www.photomacrography.net/amateurmicroscopy/Articles/Rotifers/rotifers.htm.

	Wright, Jeremy. “Rotifera (Wheel or Whirling Animals).” Animal Diversity Web, University of Michigan Museum of Zoology, 2014.		Wright, Jeremy. “Rotifera (Wheel or Whirling [[Animals]]).” Animal [[Diversity]] Web, University of Michigan Museum of Zoology, 2014.