Freshwater+Planarian


 * Phylum: Platyhelimenthes**

**Common name:** Fresh water Planarian

**Scientific Name:** Schmidtea mediterranea

**Class:** Turbellia

**Location:** Freshwater planarians are found all over North America and are scattered in Europe.


 * Size: ** Small, Flat worms.

**Habitat:** Freshwater planarians life under rocks, plants, and debris in clear fresh water ponds, streams, and springs.

**Living Requirements:** Where there is plenty of freshwater and rocks for them to live under.

**Life Cycle:** Freshwater planarians exists as both sexual worms that reproduce as cross-fertilizing hermaphrodites and asexual worms that repro duce strictly by transverse fission.

**Male and Female Differences:** Freshwater planarians are hermaphroditic. Both male and female genitalia.

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 * Interesting Facts: **
 * Recently these species has emerged as the species of choice for modern biological and genomic research due to its diploid chromosomes and existence in both asexual and sexual strains.
 * Freshwater creatures that can regenerate lost body parts
 * They have cross-eyed looking photoreceptors

**Human Impact:** Freshwater planarians are neither threatened nor endangered



Zookeeper Hannah Jones

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