Ecology: Interdependence and Interactions in Dynamic Ecosystems. Maia K. Willcox CAST November 11, 2010
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1 Ecology: Interdependence and Interactions in Dynamic Ecosystems Maia K. Willcox CAST November 11, 2010
2 Science Education for Public Understanding Program Science curriculum design and professional development Based at the Lawrence Hall of Science, University of California at Berkeley Designing science curriculum, working with teachers, and supporting quality science instruction since 1983 Major funding for curriculum work from the National Science Foundation
3 Lab-Aids, Inc. Publishes and supports the use of SEPUP materials in classrooms across the United States Publishing quality science curricular materials, providing curricular support since 1963 Based in Ronkonkoma, New York
4 Science and Global Issues (SGI) NSF curriculum development project Uses sustainability as the unifying context for studying important biological concepts Inquiry-based, issue-oriented science Students talk, think, and discuss content as it relates to personal, societal, and global issues Students learn to use evidence in the decisionmaking process Embedded assessments and literacy strategies Research-based and extensively field tested
5 Science and Global Issues: Biology Unit Content focus Sustainability focus Sustainability Interdisciplinary Sustainability from a personal, community and global perspective Living on Earth Ecology Human influence on ecosystems World Health Cell Biology Global health issues Feeding the World Genetics Use of genetically modified organisms Maintaining Diversity Evolution Changes in and threats to biodiversity
6 Sustainability In the context of human development: Meeting the needs of the present without compromising the ability of future generations to meet their own needs Examined through three perspectives: Environmental, economic, and social Considered on three levels: Personal, community, and global
7 Activity: Energy Flow Through an Ecosystem Occurs mid-unit (7 out of 19) Students have basic understanding of ecosystems, producers & consumers Students comfortable with model and literacy strategies Addresses TEKS 12 a, c, d, f
8 Fox Acorns Grass Mouse Owl Rabbit
9
10
11 Activity: Ecosystems Out of Balance Occurs near end of unit (16 out of 19) Students have developed understanding of: Basic ecosystem dynamics Photosynthesis & cellular respiration Cycling of nutrients Population dynamics
12 Pacific Halibut Population
13 Pacific Halibut Food Chain
14 Pacific-halibut Dominated Ecosystem
15 Ecology Topics Biomes Ecosystems Invasive species Human & natural impacts on ecosystems Ecosystem disturbance, resistance & resilience Population dynamics, carrying capacity, limiting factors Food webs, energy pyramids, trophic roles Eutrophication Carbon and nitrogen cycles Photosynthesis & cellular respiration Symbiotic and predatorprey relationships
16 SEPUP: Instructional Model for Issue-oriented Science
17 Why Issue-oriented Science? Integrates sciences & science with other subjects Realistic view of how science contributes to solving problems and the role of science in careers Real-world connections Use of science in daily life More authentic science, for ALL students Helps students learn science Improves student attitudes toward science
18 Development Process Iterative process of development, testing, expert review, evaluation, and revision developed and refined over 22 years of NSF funding Develop learning outcomes, assessments, and rough activities; pilot locally Refine activities and field-test nationwide; teachers receive PD; 1-2 cycles per unit Evaluate Internal evaluation of usability for T and S External evaluation of learning outcomes and pedagogy External evaluation of scientific content
19 Small effect size Cliffs d = 0.147; medium effect size Cliffs d = 0.330; large effect size Cliffs d = (Cliff, 1993; Romano et al, 2006).
20 SGI Addresses 21 st Century Skills Digital-age Literacy Scientific and informational literacy Inventive Thinking Higher-order thinking, sound reasoning Effective Communication Team work and collaboration Personal, social, and civic responsibility High Productivity Effective use of real-world tools Ability to produce
21 Science and Global Issues: Biology SEPUP - Maia K. Willcox mwillcox@berkeley.edu Lab-Aids: Oralia Gil ogil@lab-aids.com Booth # 912
Using Environmental Issues to Teach Ecology
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