Term
| What is a living, finite resource? |
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Definition
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Term
| What do plants require to comlete their life cycle? |
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Definition
| Certain chemical elements |
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Term
| Plant nutrition often involves relationships with _____ ______ |
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Definition
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Term
| What is in soil? (5 things) |
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Definition
Minerals
Water with solutes
gases
living organisms
organic matter |
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Term
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Definition
a combination of organic and inorganic material
mineral particle, living organisms, humus and loams |
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Term
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Definition
| equal parts of sand, silt and clay |
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Term
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Definition
| decaying organic material |
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Term
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Definition
| Nitrate NO3, Phosphate H2PO4, and Sulfate SO4 |
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Term
| What does not bound tightly to negatively charged soil, and leaches out into ground water? |
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Definition
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Term
| What Cations are in soil? |
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Definition
| Magnesium Mg, Potassium K, Calcium Ca |
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Term
| What are bound tightly to negatively charges soil? |
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Definition
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Term
| What elements are in Fertilizers? |
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Definition
| Nitrogen N, phosphorus P, and potassium K |
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Term
| What did Jan Baptista van Helmont of the 17th century do? |
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Definition
| He planted a small willow tree into a pot with 90.9 kg soil, and after 5 years the tree weighed 76.8 kg but the soil wight only lost 0.06 kg |
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Term
| What does the Deficiency of a mobile nutrient affect? |
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Definition
| older organs more than young ones |
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Term
| What does the deficiency of a less mobile nutrient affect? |
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Definition
| Younger organs more than older ones |
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Term
| What are three common deficiencies? |
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Definition
| Nitrogen, Potassium and Phosphorus |
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Term
| What does the role of Bacteria in Symbiotic Nitrogen Fixation provide? |
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Definition
- A built in souce of fixed nitrogen for some plant species
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Term
| How is symbiotic Nitrogen Fixation seen from an agricultural standpoint? |
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Definition
| In peas, beans and other similar plants aka the legume family |
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Term
| What are the 4 steps of The Role of Bacteria in Symbiotic Nitrogen fixation? |
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Definition
- Chemical signals attract bacteria (Rhizobium)
- Bacteroids form
- Nodule forms
- Nodule develops vascular tissue
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Term
| What Three groups have nutritional adaptations that use other organisms in nonmutualistic ways? |
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Definition
- Epophytes
- Parasites
- Carnivorous plants
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Term
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Definition
| A plant that grow on or near another for physical support. (non parasidic) |
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Term
| What are Parasitic Plants? |
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Definition
| A plant that derives all of its nutritional requirements from another plant |
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Term
| What is a carnivorous plant? |
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Definition
| Plants that gains its nutrition form consuming animals (bugs) |
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