7232813
Description
Flashcards by Leah Jones, updated more than 1 year ago
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Created by Leah Jones
almost 8 years ago
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| Question | Answer |
| How many living organisms are in a tsp of soil? | Trillions |
| What is the most important macrofauna? | Earthworms. They help aerate the soil and their casts add OM. |
| What are mycorrhizae? | They are fungi that form symbiotic relationships with plants. They help bring water and nutrients to plants and in return they get sugars (carbon). |
| What are actinomycetes? | Bacteria that aid in decomposition. They can form either parasitic or symbiotic relationships with plants. Necessary for composting. |
| Microbes are... | Microorganisms that take part in decomposition and nutrient uptake and cycling. |
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