Biology 2e is designed to cover the scope and sequence requirements of a …
Biology 2e is designed to cover the scope and sequence requirements of a typical two-semester biology course for science majors. The text provides comprehensive coverage of foundational research and core biology concepts through an evolutionary lens. Biology includes rich features that engage students in scientific inquiry, highlight careers in the biological sciences, and offer everyday applications. The book also includes various types of practice and homework questions that help students understand—and apply—key concepts. The 2nd edition has been revised to incorporate clearer, more current, and more dynamic explanations, while maintaining the same organization as the first edition. Art and illustrations have been substantially improved, and the textbook features additional assessments and related resources.
By the end of this section, you will be able to do …
By the end of this section, you will be able to do the following:
Identify the macronutrients needed by prokaryotes, and explain their importance Describe the ways in which prokaryotes get energy and carbon for life processes Describe the roles of prokaryotes in the carbon and nitrogen cycles
By the end of this section, you will be able to do …
By the end of this section, you will be able to do the following:
Discuss the biogeochemical cycles of water, carbon, nitrogen, phosphorus, and sulfur Explain how human activities have impacted these cycles and the potential consequences for Earth
College-level online course highlighting the fundamentals of ecology. Course topics include coevolution …
College-level online course highlighting the fundamentals of ecology. Course topics include coevolution of the biosphere, geosphere, atmosphere, and hydrosphere; photosynthesis and respiration; and the carbon, nitrogen, and water cycles. Other topics include energy flow through the biosphere and changes in ecosystems. This course features selected lecture notes, assignments with solutions, projects and examples, and exams with solutions.
Students explore the concept of biodegradability by building and observing model landfills …
Students explore the concept of biodegradability by building and observing model landfills to test the decomposition of samples of everyday garbage items. They collect and record experiment observations over five days, seeing for themselves what happens to trash when it is thrown "away" in a landfill environment. This shows them the difference between biodegradable and non-biodegradable and serves to introduce them to the idea of composting. Students also learn about the role of engineering in solid waste management.
Students learn about energy and nutrient flow in various biosphere climates and …
Students learn about energy and nutrient flow in various biosphere climates and environments. They learn about herbivores, carnivores, omnivores, food chains and food webs, seeing the interdependence between producers, consumers and decomposers. Students are introduced to the roles of the hydrologic (water), carbon, and nitrogen cycles in sustaining the worlds' ecosystems so living organisms survive. This lesson is part of a series of six lessons in which students use their growing understanding of various environments and the engineering design process, to design and create their own model biodome ecosystems.
If the atmosphere is about 80% Nitrogen (N2), but plants cannot use …
If the atmosphere is about 80% Nitrogen (N2), but plants cannot use that form, how do they get nitrogen? In this unit, students plant and care for soybeans under one of five different nitrogen/microbe regimes.
As the plants grow, students analyze and maintain records of their plant’s progress. Students will become familiar with the vegetative and reproductive stages of the soybean (more information and pictures of these stages can be found at the OSU crop extensions sites). Students keep records of the dates in which they observe these reproductive transitions. This unit features 2 lessons and 7 files. Lessons are aligned to NGSS.
Students use everyday building materials sand, pea gravel, cement and water to …
Students use everyday building materials sand, pea gravel, cement and water to create and test pervious pavement. They learn what materials make up a traditional, impervious concrete mix and how pervious pavement mixes differ. Groups are challenged to create their own pervious pavement mixes, experimenting with material ratios to evaluate how infiltration rates change with different mix combinations.
Engineers design and implement many creative techniques for managing stormwater at its …
Engineers design and implement many creative techniques for managing stormwater at its sources in order to improve and restore the hydrology and water quality of developed sites to pre-development conditions. Through the two lessons in this unit, students are introduced to green infrastructure (GI) and low-impact development (LID) technologies, including green roofs and vegetative walls, bioretention or rain gardens, bioswales, planter boxes, permeable pavement, urban tree canopies, rainwater harvesting, downspout disconnection, green streets and alleys, and green parking. Student teams take on the role of stormwater engineers through five associated activities. They first model the water cycle, and then measure transpiration rates and compare native plant species. They investigate the differences in infiltration rates and storage capacities between several types of planting media before designing their own media mixes to meet design criteria. Then they design and test their own pervious pavement mix combinations. In the culminating activity, teams bring together all the concepts as well as many of the materials from the previous activities in order to create and install personal rain gardens. The unit prepares the students and teachers to take on the design and installation of bigger rain garden projects to manage stormwater at their school campuses, homes and communities.
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