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Educational
Jan 17 2023

Slime Mold

Jan 17 2023/Educational

Slime molds are among the oddest creatures of the rainforest. These frequently brightly coloured organisms represent an interphase between the multicellular bodies of plants and animals and the unicellular world of amoebas and other protists. These strange creatures live much of their lives as single-celled organisms but individuals eventually meld into a “super-cell” called a plasmodium, which is bounded by a single-cell membrane but contains many cellular nuclei.

This strange conglomerate being is observable in the forest as threads of brightly coloured “slime” creeping over rotting logs. This plasmodium is able to move through a process called “cytoplasmic streaming” as it hunts for microscopic prey along the forest floor. These plasmodiums can cover an area of 30 square metres despite being technically a “single” cell. When the food supply is exhausted the slime mold develops fruiting bodies to seed the forest with its spores.

Lab research has shown that despite lacking a brain or even a nervous system, slime molds appear capable of rudimentary learning, memory and problem solving. In one experiment slime molds even appeared to be able to learn from one another. These bizarre, contradictory creatures of the coastal rainforest are challenging our basic understanding of cognition, expanding our understanding of thought and memory.

Perhaps even more intriguing, the filamentous networks of slime molds are actually structurally very similar to the “cosmic web” of galaxies strung across the universe. Cosmologists have now started using slime-mold patterns to predict and understand the structure of the Universe and to help them map out the distribution of the enigma known as “dark matter”.

The careful hiker in the coastal rainforest will be on guard for inclement weather, unexpected cliffs, and possible bear encounters, but few will be prepared for the perils of drastic mind expansion that may result from an encounter with a slime mold.

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The Ancient Forest Alliance (AFA) is a registered non-profit organization working to protect BC’s endangered old-growth forests and to ensure a sustainable, value-added, second-growth forest industry.

AFA’s office is located on the territories of the Lekwungen Peoples, also known as the Songhees and Esquimalt Nations.
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Ancient Forest Alliance
  • Home
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  • Ancient Forests
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    • Myths & Facts
    • Directions to Avatar Grove
    • Port Renfrew Big Trees Map
  • Recent News
    • Recent News
    • Research & Reports
    • Media Releases
    • Publications
  • Photos & Media
    • Map of Gallery Regions
    • Themes
      • Biggest Trees
      • Biggest Stumps
      • Low Productivity Old-Growth
    • Videos
    • Inland Rainforest
      • Ancient Forest/ Chun T’oh Whudujut Provincial Park
      • Parthenon Grove
    • Mainland
      • Echo Lake
      • Kanaka Bar IPCA Proposal
    • Haida Gwaii
    • Sunshine Coast
      • Day Road Forest
      • Mt. Elphinstone Proposed Park Expansion
      • Roberts Creek Headwaters
      • Stillwater Bluffs
    • Sunshine Coast: Powell River
      • Eldred River Valley
      • Mt. Freda Ancient Forests
    • Vancouver Island South
      • Carmanah Tree Climb
      • Klanawa Valley
      • Koksilah
    • VI South: Caycuse Watershed
      • Before & After Logging – Caycuse Watershed
      • Before & After Logging Caycuse 2022
      • Caycuse Logging From Above
      • Lower Caycuse River
      • Massive Trees Cut Down
    • VI South: Mossy Maples
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      • Avatar Boardwalk
      • Avatar Grove
      • Big Lonely Doug and Clearcut
      • Bugaboo Ridge Ancient Forest
      • Eden Grove
      • Exploring & Climbing Ancient Giants
      • Fairy Creek Headwaters
      • Granite Creek Logging
      • Jurassic Grove
      • Loup Creek
      • Mossome Grove
      • Mossome Grove Tree Climb
    • VI South: Port Alberni
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      • Cathedral Grove Canyon
      • Juniper Ridge
      • Katlum Creek
      • Nahmint Valley
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      • Tahsis: Endangered Old-Growth Above Town
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      • Klaskish Inlet
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