1 In 5 minutes, explain this slide' 2 Is this an example of resource sharing that is, cooperation

1
1) In 5 minutes, explain this slide.2) Is this
an example of resource sharing (that is,
cooperation)?
2
Mycorrhizal associations Two types
Ectomycorrhizae
Endomycorrhizae (also called VAM-- vesicular-arbus
cular mycorrhizae)
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Endomycorrhizae A arbuscule IH intracellular
hypha FN fungal nucleus PN plant nucleus CW
cell wall
Ectomycorrhizae M mantle HN Hartig net C root
cortex
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Endomycorrhizal infection
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Ectomycorrhizal infection
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Surface area/volume
Internal (internal hyphae surrounded by
plasma Membranes)
External
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Maple seedlings with and without mycorrhizae
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Effects on shoot dry weight of clover and tomato
No myco
No myco P
----- With various species of fungi -----
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Mutualism or parasitism?
Wood orchid (Epipactis sp.)
Oak trees
Truffle
On the part of the orchid, mycoheterotrophism
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Now this is mutualism