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| Term | Definition |
|---|---|
| fruticose | having finger-like projections |
| foliose | leaf-like |
| crustose | grow flush on the surface of the substrate - such as rock |
| Lichen Morphology | three morphological categories: crustose, foliose, and fruticose |
| soil formation | the process of secreting organic acids that cause the chemical weathering of rocks |
| Lichens are common in | harsh environments and often are the first life forms to colonize newly exposed rock |
| Algal partner | produces carbohydrates (nutrients) through photosynthesis |
| Fungal partner | provides protection against dessication (drying) |
| mutualism | symbiotic relationship because both partners benefit |
| mycobiont | fungal partner |
| phycobiont | algal partner |
| Lichens are | the slowest growing form of life and are the product of a SYMBIOTIC relationship between a fungus and an algae (or cyanobacterium) |