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Slime Mold. Koshi high school of Fukui Erina Morita Misako Kato Yuina Tanikawa. First. We found that slime mold may have negative geotaxis from the results of our seniors’ experiment . We want to research slime mold because we were interested in it. What is Slime mold?.

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slime mold

Slime Mold

Koshi high school of Fukui

Erina Morita

Misako Kato

YuinaTanikawa

first
First

We found that slime mold may have negative geotaxis from the results of our seniors’ experiment.

We want to research slime mold because we were interested in it.

what is slime mold
What is Slime mold?

True slime mold

Slime mold

Cellularslime mold

Cellularity slime mold

Fallen leaves

Underside of rotten trees・logs

slide4
粘菌とは…?

This is Slime mold!!

result
Result

87.5% of slime molds showed that they have negative gravitaxis.

12.5% of slime molds showed that

they didn’t have negative gravitaxis.

consideration
Consideration

Slime molds mostly moved upward.

It is thought that

they have negative gravitaxis.

experiment a bout migration pathway
Experiment Ⅱ: About migration pathway

After 6 hours

rotated 90 °or180°

consideration1
Consideration

They didn’t go over their path from before.

It is thought that they have a property to avoid going over the same path.

the whole c onsideration
The Whole Consideration

They leave the traces such as chemical substances on their path.

Avoid the path where they cannot expect to get food.

In doing so...

slide17

The difference in how the slime molds move may depend on the amount of food and the strength of stimulus (gravity, light, and chemical substance).

future questions
Future Questions

What is the material left behind after the slime mold passes?

Why does the slime mold move to avoid it?

slide21

Thank you for

listening!!

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