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12/2 ecology

Terms in this set (36)

generalist mutualist
a species that interacts with many other species
specialist mutualist
a species that interacts with one other species or a few closely related species
obligate mutualism
2 species that provide fitness benefits to each other and require each other to persist
facultative mutualism
2 species that provide fitness benefits to each other, but whose interaction is not critical to the persistence of the other species
mutualism between coral and zooxanthellae
why? The zooxanthellae provide photosynthetic products like glycerlol and glucose to the coral. The coral provide metabolic wastes like N and P to the zooxanthellae.
mutualism of the leaf sheep sea slug
feed on biofilms containing algae but do not break down chloroplast, so they put them in their structures to undergo photosynthesis
kleptoplasty
symiotic phenomenon where chloroplasts from algae are taken up by host organisms
mychorrhizal fungi
fungi that surround plant roots and help them obtain water and minerals
endomycorrhizal fungi
characterized by hyphal threads that extend into the soil and penetrate root cells between the cell wall and cell membrane
Arbiscular mycorrhizae
a type of ENDO that infects many plants
Ectomycorrhizal fungi
characterized by hyphae that surround the roots of plants and enter between root cells but rarely enter the cells
mychorrhizal fungi expands
the surface area of plant roots exponentially
when did my boi fungi mychorrhizae associate with plants
450mya
root nodules in legumes
contain Rhizobium bacteria that fixes atmospheric nitrogen for the plant to use in exchange for photosynthates
greater honey guide mutualism
we follow honeyguide birds to bee nests so we can get honey and they can get us to break open the bee hive so she can eat the larvae
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