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A female rotifer (Brachionus calyciflorus) with two eggs

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A female rotifer (Brachionus calyciflorus) with two eggs. The eggs are the result of parthenogenesis, or asexual reproduction by the female, which occurs in rotifers when growing conditions are favorable. Populations of this rotifer species, which can be maintained in a laboratory on a food source of algae, are an ideal model system for testing ecological theory in microcosms. Replicate populations of this species can be brought into synchrony either by the frequent dispersal of a small number of individuals from one population to another or by varying their food. This photograph originally appeared on the cover of Ecology (86:6) in June of 2005.
Cumulative Rating: This resource has a 5 star rating (based on 1 response)
Format
Primary or BEN resource type
Discipline Specific Core Concepts
Life science discipline (subject)
Keywords parthenogenesis, amictic, reproduction, egg, microcosm
Key taxa Brachionus calyciflorus, rotifer
Audience
Intended End User Role
Language
Educational Language
Pedagogical Use Description This photograph can be to illustrate asexual reproduction, parthenogenesis, population growth, or as an example of an organism used to test ecological theory in microcosms.
Primary Author Controlled Name
Primary Author Affiliation n/a
Primary Author email n/a
Rights Copyright 2005 by the Ecological Society of America.
Date Of Record Submission 2008-04-04

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