Search Results for nitrogen-cycle
1-20 of 339 Search Results for
The American Biology Teacher (1971) 33 (8): 461–471.
Published: 01 November 1971
...Richard P. Aulie Copyright 1971 National Association of Biology Teachers References AULIE, R. P. 1969. Air pressure and the origin of space medi- cine. Science Activities (2): 10-17. Aulie 2 10 Science Activities 1969 .1970. Boussingault and the nitrogen cycle. Pro- ceedings...
The American Biology Teacher (2020) 82 (5): 358–359.
Published: 01 May 2020
... with other elements such as oxygen, nitrogen, phosphorus, and hydrogen are explored in this context. All of these interactions are what create the world that we are familiar with. But the natural cycles of carbon are being disrupted by human activity. The author is very concerned about carbon's role in...
The American Biology Teacher (2020) 82 (5): 296–305.
Published: 01 May 2020
... segregation illustrated DNA at the M level (nucleotides or nitrogenous base sequences). The mid/upper-level textbooks did incorporate the M level in about 40% of segregation-associated figures; however, they never used both M and C at the same time. This finding is especially problematic because previous work...
The American Biology Teacher (2020) 82 (4): 201–208.
Published: 01 April 2020
... ( 2014 ). Tapping the Potential of All: Undergraduate Research at Community Colleges . Washington, DC : Council on Undergraduate Research . Costas , A.G. , Ragen , D.L. & Peters , J.W. ( 2017 ). Searching for nitrogen-fixing microorganisms: an original, relevant, and successful...
The American Biology Teacher (2019) 81 (9): 609.
Published: 01 December 2019
... students. That is, they rarely mention how successfully they conveyed the intricacies of the mitochondria or the nitrogen cycle. Sometimes, it's about guiding students to a higher level of awareness and appreciation – typically about connecting to a personal or social issue. Or just personal growth. Scores...
The American Biology Teacher (2020) 82 (3): 142–148.
Published: 01 March 2020
... decomposition rates, and how physical factors or geographic location influence the rate of decomposition. Students learn that nitrogen concentration, the carbon to nitrogen ratio, and lignin content affect substrate quality and decomposition ( Moorhead et al., 1999 ), and they are able to observe that similar...
The American Biology Teacher (2020) 82 (2): 128–129.
Published: 01 February 2020
... water-collecting urns in rainforest epiphytes. Legumes and their symbiotic bacteria are critical in nitrogen fixation. Fig receptacles have tiny internal flowers that are fertilized by a specific female wasp. The dried firm wall of Luffa cylindrica , a member of the cucumber family, is the source of...
The American Biology Teacher (2019) 81 (9): 680–685.
Published: 01 December 2019
... Nitrogen cycle............................4.250-I Nonindigenous species............................3.169-I, 4.242-I, 7.503-I Nonmajors............................8.554-RL Nonnative species............................3.169-I, 4.242-I, 7.503-I Nontraditional students...
The American Biology Teacher (2020) 82 (1): 49–51.
Published: 01 January 2020
... specify the construction and sequence of a complementary RNA or DNA strand Hydrogen bonding is not possible in the set (template molecule does not stick together and consists of two separate strands) NTP and dNTPs are distinguished only by the bottle selection (colors of beads represent nitrogen...
The American Biology Teacher (2019) 81 (4): 250–255.
Published: 01 April 2019
...–legume symbiosis and nitrogen fixation under severe conditions and in an arid climate . Microbiology and Molecular Biology Reviews , 63 , 968 – 989 . Legumes nitrogen cycle data collection planting experiment © 2019 National Association of Biology Teachers. All rights reserved. Please...
Includes: Supplementary data
The American Biology Teacher (2019) 81 (4): 256–268.
Published: 01 April 2019
... properties . Bioresource Technology , 102 , 1886 – 1891 . Dempster, D.N. , Gleeson, D.B. , Solaiman, Z.M. , Jones, D.L. & Murphy, D.V. ( 2012 ). Decreased soil microbial biomass and nitrogen mineralisation with Eucalyptus biochar addition to a coarse textured soil . Plant and Soil , 354...
The American Biology Teacher (2019) 81 (1): 61–64.
Published: 01 January 2019
... the squash help shade out unwanted weeds. No need for chemical herbicides. Third, the beans contain nitrogen-fixing bacteria that help enrich the soil. Less need for chemical fertilizers. That makes the milpa effective even where the soils are less fertile. Fourth, the maize benefits from the direct...
The American Biology Teacher (2018) 80 (9): 642–648.
Published: 01 November 2018
... influenced by gravity, light, or yet another hormone, ethylene ( Vanneste & Frimi, 2009 , p. 1013), and ethylene can control its own synthesis by a positive-feedback mechanism ( Vandenbussche et al., 2012 , p. 897). Nitrogen incorporation in plants requires the nitrate reductase (NR)-catalyzed...
The American Biology Teacher (2018) 80 (6): 465–466.
Published: 01 August 2018
... known about the many interacting systems and cycles that affect our earth's climate. The reader comes to appreciate how the earth's climate is determined through intricately complex and interacting systems that include carbon, nitrogen, and sulfur cycles, the earth's movement through the solar system...
The American Biology Teacher (2018) 80 (5): 397–400.
Published: 01 May 2018
... can use limiting resources more fully. Second, diverse communities are more stable through stressful conditions, such as drought, fire, excess nitrogen deposits, or herbivory. They are also more resilient to invasion by new species. Finally, diverse ecosystems promote nutrient cycling and storage...
The American Biology Teacher (2018) 80 (3): 168–174.
Published: 01 March 2018
... measuring water and for measuring glycerol, and a long-handled test tube holder. Also necessary but not pictured are a black Sharpie and a 5 mL plastic bulb pipette for each student, a timer, thermal gloves, and a cooler of liquid nitrogen (or dry ice). Figure 2. Cryobiology lab equipment: 50 mL of water...
The American Biology Teacher (2018) 80 (1): 11–20.
Published: 01 January 2018
... mycorrhizae soil biology symbionts undergraduates digital-game-based learning action games Figure 1. Screenshots of Shroomroot showing progression through levels. (A) Level 1: Player controls the root to collect water. (B) Level 4: Player must collect water, nitrogen, and phosphorus. (C...
The American Biology Teacher (2017) 79 (9): 787–791.
Published: 01 November 2017
... Nitrogen-Fixing Microorganisms: An Original, Relevant, and Successful Early Research Experience............................3:191-I The Small Mammal Project: Engaging Students as Scientists............................3:200-I Hands-On Classroom Activities for Exploring Regeneration and Stem Cell...
The American Biology Teacher (2017) 79 (3): 191–197.
Published: 01 March 2017
... tube trays, centrifuge Computers with PowerPoint and Internet access Lab notebook Diversity of soils, 50 mL-falcon tubes and spatulas for sampling Gloves 1. Explain the segment of the nitrogen cycle that includes the conversion of nitrogen gas to ammonia 2. Distinguish between...
The American Biology Teacher (2017) 79 (6): 466–472.
Published: 01 August 2017
... organisms consume or decay the biomass produced, using up oxygen and releasing carbon dioxide. Nitrogen, sulfur, and phosphorous cycling can also be explained if desired. Miller and Spoolman (2015) and similar environmental science texts explain these cycles and have useful illustrations. Instructors...